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&#x26; latex cheatsheet &#x26; Quick Reference</title>
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入门，为开发人员分享快速参考备忘单。">
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<a aria-hidden="true" tabindex="-1" href="#latex-备忘清单"><span class="icon icon-link"></span></a>LaTeX 备忘清单</h1><div class="wrap-body">
<p>本备忘单总结了 <a href="https://www.latex-project.org/">LaTeX</a> 常用显示数学符号的参考列表和一些 <a href="https://katex.org/">KaTeX</a> 的应用示例。</p>
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</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="介绍"><a aria-hidden="true" tabindex="-1" href="#介绍"><span class="icon icon-link"></span></a>介绍</h3><div class="wrap-body">
<p><a href="https://www.latex-project.org/">LaTeX</a> 基于 TEX 的排版系统，适用于生成高印刷质量的科技和数学、物理文档。</p>
<ul>
<li><a href="https://www.latex-project.org/">LaTeX 官网</a> <em>(latex-project.org)</em></li>
</ul>
<p>而 <a href="https://katex.org/">KaTeX</a> 只处理 LaTeX 的数学符号的一个更小的子集，用于 web 上展示</p>
<ul>
<li><a href="https://katex.org/">KaTeX 官网</a> <em>(katex.org)</em></li>
</ul>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="示例"><a aria-hidden="true" tabindex="-1" href="#示例"><span class="icon icon-link"></span></a>示例</h3><div class="wrap-body">
<pre class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><msubsup><mo>∫</mo><mrow><mo>−</mo><mi mathvariant="normal">∞</mi></mrow><mi mathvariant="normal">∞</mi></msubsup><mi>f</mi><mover accent="true"><mi>ξ</mi><mo>^</mo></mover><mtext> </mtext><msup><mi>e</mi><mrow><mn>2</mn><mi>π</mi><mi>i</mi><mi>ξ</mi><mi>x</mi></mrow></msup><mtext> </mtext><mi mathvariant="normal">d</mi><mi>ξ</mi></mrow><annotation encoding="application/x-tex">% \f is defined as #1f(#2) using the macro
f\relax(x) = \int_{-\infty}^\infty
f\hat\xi\,e^{2 \pi i \xi x}
\,\mathrm{d}\xi
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.10764em;">f</span><span class="mopen">(</span><span class="mord mathnormal">x</span><span class="mclose">)</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:2.3846em;vertical-align:-0.9703em;"></span><span class="mop"><span class="mop op-symbol large-op" style="margin-right:0.44445em;position:relative;top:-0.0011em;">∫</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.4143em;"><span style="top:-1.7881em;margin-left:-0.4445em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">−</span><span class="mord mtight">∞</span></span></span></span><span style="top:-3.8129em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">∞</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.9703em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathnormal" style="margin-right:0.10764em;">f</span><span class="mord accent"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9579em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal" style="margin-right:0.04601em;">ξ</span></span><span style="top:-3.2634em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.1389em;"><span class="mord">^</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.1944em;"><span></span></span></span></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord"><span class="mord mathnormal">e</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8991em;"><span style="top:-3.113em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">2</span><span class="mord mathnormal mtight">πi</span><span class="mord mathnormal mtight" style="margin-right:0.04601em;">ξ</span><span class="mord mathnormal mtight">x</span></span></span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm">d</span><span class="mord mathnormal" style="margin-right:0.04601em;">ξ</span></span></span></span></span></pre>
<hr>
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token comment">% \f is defined as #1f(#2) using the macro</span>
</span><span class="code-line">f<span class="token function selector">\relax</span>(x) = <span class="token function selector">\int</span>_<span class="token punctuation">{</span>-<span class="token function selector">\infty</span><span class="token punctuation">}</span>^<span class="token function selector">\infty</span>
</span><span class="code-line"> f<span class="token function selector">\hat</span><span class="token function selector">\xi</span><span class="token function selector">\,</span>e^<span class="token punctuation">{</span>2 <span class="token function selector">\pi</span> i <span class="token function selector">\xi</span> x<span class="token punctuation">}</span>
</span><span class="code-line"> <span class="token function selector">\,</span><span class="token function selector">\mathrm</span><span class="token punctuation">{</span>d<span class="token punctuation">}</span><span class="token function selector">\xi</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="行内展示"><a aria-hidden="true" tabindex="-1" href="#行内展示"><span class="icon icon-link"></span></a>行内展示</h3><div class="wrap-body">
<pre class="language-markdown"><code class="language-markdown code-highlight"><span class="code-line">基于 KaTeX 在一行
</span><span class="code-line">展示示例： <span class="token code-snippet code keyword">`KaTeX:\int_0^\infty x^2 dx`</span>
</span></code></pre>
<p>基于 KaTeX 在一行展示示例： <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msubsup><mo>∫</mo><mn>0</mn><mi mathvariant="normal">∞</mi></msubsup><msup><mi>x</mi><mn>2</mn></msup><mi>d</mi><mi>x</mi></mrow><annotation encoding="application/x-tex">\int_0^\infty x^2 dx</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2151em;vertical-align:-0.3558em;"></span><span class="mop"><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0006em;">∫</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8593em;"><span style="top:-2.3442em;margin-left:-0.1945em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">0</span></span></span><span style="top:-3.2579em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">∞</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.3558em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord"><span class="mord mathnormal">x</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8141em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span><span class="mord mathnormal">d</span><span class="mord mathnormal">x</span></span></span></span></p>
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="支持的语法"><a aria-hidden="true" tabindex="-1" href="#支持的语法"><span class="icon icon-link"></span></a>支持的语法</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist col-span-2 row-span-2"><div class="wrap-header h3wrap"><h3 id="标注符号"><a aria-hidden="true" tabindex="-1" href="#标注符号"><span class="icon icon-link"></span></a>标注符号</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-2 row-span-2-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mi>a</mi><mo mathvariant="normal" lspace="0em" rspace="0em">′</mo></msup></mrow><annotation encoding="application/x-tex">a'</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7519em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7519em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">′</span></span></span></span></span></span></span></span></span></span></span></span> <pur><code>a'</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>~</mo></mover></mrow><annotation encoding="application/x-tex">\tilde{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6679em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal">a</span></span><span style="top:-3.35em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">~</span></span></span></span></span></span></span></span></span></span> <pur><code>\tilde{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>g</mi><mo>˚</mo></mover></mrow><annotation encoding="application/x-tex">\mathring{g}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord accent"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">g</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.3472em;"><span class="mord">˚</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.1944em;"><span></span></span></span></span></span></span></span></span> <pur><code>\mathring{g}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mi>a</mi><mrow><mo mathvariant="normal">′</mo><mo mathvariant="normal">′</mo></mrow></msup></mrow><annotation encoding="application/x-tex">a''</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7519em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7519em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">′′</span></span></span></span></span></span></span></span></span></span></span></span> <pur><code>a''</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>c</mi></mrow><mo stretchy="true">~</mo></mover></mrow><annotation encoding="application/x-tex">\widetilde{ac}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7166em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7166em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.4306em;"><span class="pstrut" style="height:3em;"></span><span style="height:0.286em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="0.286em" viewBox="0 0 1033 286" preserveAspectRatio="none"><path d="M344 55.266c-142 0-300.638 81.316-311.5 86.418
-8.01 3.762-22.5 10.91-23.5 5.562L1 120c-1-2-1-3-1-4 0-5 3-9 8-10l18.4-9C160.9
31.9 283 0 358 0c148 0 188 122 331 122s314-97 326-97c4 0 8 2 10 7l7 21.114
c1 2.14 1 3.21 1 4.28 0 5.347-3 9.626-7 10.696l-22.3 12.622C852.6 158.372 751
181.476 676 181.476c-149 0-189-126.21-332-126.21z"></path></svg></span></span></span></span></span></span></span></span></span> <pur><code>\widetilde{ac}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">⏠</mo></mover></mrow><annotation encoding="application/x-tex">\overgroup{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0253em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.0253em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span><span class="svg-align" style="top:-3.6833em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.342em;min-width:0.888em;"><span class="halfarrow-left" style="height:0.342em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.342em" viewBox="0 0 400000 342" preserveAspectRatio="xMinYMin slice"><path d="M400000 80
H435C64 80 168.3 229.4 21 260c-5.9 1.2-18 0-18 0-2 0-3-1-3-3v-38C76 61 257 0
435 0h399565z"></path></svg></span><span class="halfarrow-right" style="height:0.342em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.342em" viewBox="0 0 400000 342" preserveAspectRatio="xMaxYMin slice"><path d="M0 80h399565c371 0 266.7 149.4 414 180 5.9 1.2 18 0 18 0 2 0
3-1 3-3v-38c-76-158-257-219-435-219H0z"></path></svg></span></span></span></span></span></span></span></span></span></span> <pur><code>\overgroup{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mi>a</mi><mo mathvariant="normal" lspace="0em" rspace="0em">′</mo></msup></mrow><annotation encoding="application/x-tex">a^{\prime}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7519em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7519em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">′</span></span></span></span></span></span></span></span></span></span></span></span> <pur><code>a^{\prime}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">~</mo></munder></mrow><annotation encoding="application/x-tex">\utilde{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0893em;vertical-align:-0.406em;"></span><span class="mord accentunder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span class="svg-align" style="top:-2.594em;"><span class="pstrut" style="height:3em;"></span><span style="height:0.286em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="0.286em" viewBox="0 0 1033 286" preserveAspectRatio="none"><path d="M344 55.266c-142 0-300.638 81.316-311.5 86.418
-8.01 3.762-22.5 10.91-23.5 5.562L1 120c-1-2-1-3-1-4 0-5 3-9 8-10l18.4-9C160.9
31.9 283 0 358 0c148 0 188 122 331 122s314-97 326-97c4 0 8 2 10 7l7 21.114
c1 2.14 1 3.21 1 4.28 0 5.347-3 9.626-7 10.696l-22.3 12.622C852.6 158.372 751
181.476 676 181.476c-149 0-189-126.21-332-126.21z"></path></svg></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.406em;"><span></span></span></span></span></span></span></span></span> <pur><code>\utilde{AB}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">⏡</mo></munder></mrow><annotation encoding="application/x-tex">\undergroup{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0253em;vertical-align:-0.342em;"></span><span class="mord accentunder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span class="svg-align" style="top:-2.658em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.342em;min-width:0.888em;"><span class="halfarrow-left" style="height:0.342em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.342em" viewBox="0 0 400000 342" preserveAspectRatio="xMinYMin slice"><path d="M400000 262
H435C64 262 168.3 112.6 21 82c-5.9-1.2-18 0-18 0-2 0-3 1-3 3v38c76 158 257 219
435 219h399565z"></path></svg></span><span class="halfarrow-right" style="height:0.342em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.342em" viewBox="0 0 400000 342" preserveAspectRatio="xMaxYMin slice"><path d="M0 262h399565c371 0 266.7-149.4 414-180 5.9-1.2 18 0 18
0 2 0 3 1 3 3v38c-76 158-257 219-435 219H0z"></path></svg></span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.342em;"><span></span></span></span></span></span></span></span></span> <pur><code>\undergroup{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>ˊ</mo></mover></mrow><annotation encoding="application/x-tex">\acute{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal">a</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">ˊ</span></span></span></span></span></span></span></span></span></span> <pur><code>\acute{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>F</mi><mo>⃗</mo></mover></mrow><annotation encoding="application/x-tex">\vec{F}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9663em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.9663em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;">F</span></span><span style="top:-3.2523em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.1522em;"><span class="overlay" style="height:0.714em;width:0.471em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.471em" height="0.714em" style="width:0.471em" viewBox="0 0 471 714" preserveAspectRatio="xMinYMin"><path d="M377 20c0-5.333 1.833-10 5.5-14S391 0 397 0c4.667 0 8.667 1.667 12 5
3.333 2.667 6.667 9 10 19 6.667 24.667 20.333 43.667 41 57 7.333 4.667 11
10.667 11 18 0 6-1 10-3 12s-6.667 5-14 9c-28.667 14.667-53.667 35.667-75 63
-1.333 1.333-3.167 3.5-5.5 6.5s-4 4.833-5 5.5c-1 .667-2.5 1.333-4.5 2s-4.333 1
-7 1c-4.667 0-9.167-1.833-13.5-5.5S337 184 337 178c0-12.667 15.667-32.333 47-59
H213l-171-1c-8.667-6-13-12.333-13-19 0-4.667 4.333-11.333 13-20h359
c-16-25.333-24-45-24-59z"></path></svg></span></span></span></span></span></span></span></span></span></span> <pur><code>\vec{F}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">⇒</mo></mover></mrow><annotation encoding="application/x-tex">\Overrightarrow{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2433em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.2433em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span><span class="svg-align" style="top:-3.6833em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.56em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.56em" viewBox="0 0 400000 560" preserveAspectRatio="xMaxYMin slice"><path d="M399738 392l
-10 10c-34 36-62.7 77-86 123-3.3 8-5 13.3-5 16 0 5.3 6.7 8 20 8 7.3 0 12.2-.5
14.5-1.5 2.3-1 4.8-4.5 7.5-10.5 49.3-97.3 121.7-169.3 217-216 28-14 57.3-25 88
-33 6.7-2 11-3.8 13-5.5 2-1.7 3-4.2 3-7.5s-1-5.8-3-7.5c-2-1.7-6.3-3.5-13-5.5-68
-17.3-128.2-47.8-180.5-91.5-52.3-43.7-93.8-96.2-124.5-157.5-9.3-8-15.3-12.3-18
-13h-6c-12 .7-18 4-18 10 0 2 1.7 7 5 15 23.3 46 52 87 86 123l10 10H0v40h399782
c-328 0 0 0 0 0l10 8c26.7 20 65.7 43 117 69-2.7 2-6 3.7-10 5-36.7 16-72.3 37.3
-107 64l-10 8H0v40zM0 157v40h399730v-40zm0 194v40h399730v-40z"></path></svg></span></span></span></span></span></span></span></span></span> <pur><code>\Overrightarrow{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>y</mi><mo>ˉ</mo></mover></mrow><annotation encoding="application/x-tex">\bar{y}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7622em;vertical-align:-0.1944em;"></span><span class="mord accent"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.5678em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">y</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.1944em;"><span class="mord">ˉ</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.1944em;"><span></span></span></span></span></span></span></span></span> <pur><code>\bar{y}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">←</mo></mover></mrow><annotation encoding="application/x-tex">\overleftarrow{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2053em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.2053em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span><span class="svg-align" style="top:-3.6833em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8
-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span></span></span></span></span></span></span></span></span> <pur><code>\overleftarrow{AB}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">→</mo></mover></mrow><annotation encoding="application/x-tex">\overrightarrow{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2053em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.2053em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span><span class="svg-align" style="top:-3.6833em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span></span></span></span></span></span></span></span> <pur><code>\overrightarrow{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>˘</mo></mover></mrow><annotation encoding="application/x-tex">\breve{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal">a</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">˘</span></span></span></span></span></span></span></span></span></span> <pur><code>\breve{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">←</mo></munder></mrow><annotation encoding="application/x-tex">\underleftarrow{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2053em;vertical-align:-0.522em;"></span><span class="mord accentunder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span class="svg-align" style="top:-2.478em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8
-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.522em;"><span></span></span></span></span></span></span></span></span> <pur><code>\underleftarrow{AB}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">→</mo></munder></mrow><annotation encoding="application/x-tex">\underrightarrow{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2053em;vertical-align:-0.522em;"></span><span class="mord accentunder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span class="svg-align" style="top:-2.478em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.522em;"><span></span></span></span></span></span></span></span></span> <pur><code>\underrightarrow{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>ˇ</mo></mover></mrow><annotation encoding="application/x-tex">\check{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6285em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6285em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal">a</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">ˇ</span></span></span></span></span></span></span></span></span></span> <pur><code>\check{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>c</mi></mrow><mo stretchy="true">↼</mo></mover></mrow><annotation encoding="application/x-tex">\overleftharpoon{ac}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9526em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.9526em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.4306em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M0 267c.7 5.3 3 10 7 14h399993v-40H93c3.3
-3.3 10.2-9.5 20.5-18.5s17.8-15.8 22.5-20.5c50.7-52 88-110.3 112-175 4-11.3 5
-18.3 3-21-1.3-4-7.3-6-18-6-8 0-13 .7-15 2s-4.7 6.7-8 16c-42 98.7-107.3 174.7
-196 228-6.7 4.7-10.7 8-12 10-1.3 2-2 5.7-2 11zm100-26v40h399900v-40z"></path></svg></span></span></span></span></span></span></span></span></span> <pur><code>\overleftharpoon{ac}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>c</mi></mrow><mo stretchy="true">⇀</mo></mover></mrow><annotation encoding="application/x-tex">\overrightharpoon{ac}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9526em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.9526em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.4306em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399993c4.7-4.7 7-9.3 7-14 0-9.3
-3.7-15.3-11-18-92.7-56.7-159-133.7-199-231-3.3-9.3-6-14.7-8-16-2-1.3-7-2-15-2
-10.7 0-16.7 2-18 6-2 2.7-1 9.7 3 21 15.3 42 36.7 81.8 64 119.5 27.3 37.7 58
69.2 92 94.5zm0 0v40h399900v-40z"></path></svg></span></span></span></span></span></span></span></span></span> <pur><code>\overrightharpoon{ac}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>˙</mo></mover></mrow><annotation encoding="application/x-tex">\dot{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6679em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal">a</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.1389em;"><span class="mord">˙</span></span></span></span></span></span></span></span></span></span> <pur><code>\dot{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">↔</mo></mover></mrow><annotation encoding="application/x-tex">\overleftrightarrow{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2053em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.2053em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span><span class="svg-align" style="top:-3.6833em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.522em;min-width:0.888em;"><span class="halfarrow-left" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8
-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span><span class="halfarrow-right" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span></span></span></span></span></span></span></span></span> <pur><code>\overleftrightarrow{AB}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">⏞</mo></mover></mrow><annotation encoding="application/x-tex">\overbrace{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3313em;"></span><span class="mord mover"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.3313em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span><span class="svg-align" style="top:-3.7833em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.548em;min-width:1.6em;"><span class="brace-left" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMinYMin slice"><path d="M6 548l-6-6v-35l6-11c56-104 135.3-181.3 238-232 57.3-28.7 117
-45 179-50h399577v120H403c-43.3 7-81 15-113 26-100.7 33-179.7 91-237 174-2.7
5-6 9-10 13-.7 1-7.3 1-20 1H6z"></path></svg></span><span class="brace-center" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMidYMin slice"><path d="M200428 334
c-100.7-8.3-195.3-44-280-108-55.3-42-101.7-93-139-153l-9-14c-2.7 4-5.7 8.7-9 14
-53.3 86.7-123.7 153-211 199-66.7 36-137.3 56.3-212 62H0V214h199568c178.3-11.7
311.7-78.3 403-201 6-8 9.7-12 11-12 .7-.7 6.7-1 18-1s17.3.3 18 1c1.3 0 5 4 11
12 44.7 59.3 101.3 106.3 170 141s145.3 54.3 229 60h199572v120z"></path></svg></span><span class="brace-right" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMaxYMin slice"><path d="M400000 542l
-6 6h-17c-12.7 0-19.3-.3-20-1-4-4-7.3-8.3-10-13-35.3-51.3-80.8-93.8-136.5-127.5
s-117.2-55.8-184.5-66.5c-.7 0-2-.3-4-1-18.7-2.7-76-4.3-172-5H0V214h399571l6 1
c124.7 8 235 61.7 331 161 31.3 33.3 59.7 72.7 85 118l7 13v35z"></path></svg></span></span></span></span></span></span></span></span></span></span> <pur><code>\overbrace{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>¨</mo></mover></mrow><annotation encoding="application/x-tex">\ddot{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6679em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal">a</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">¨</span></span></span></span></span></span></span></span></span></span> <pur><code>\ddot{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">↔</mo></munder></mrow><annotation encoding="application/x-tex">\underleftrightarrow{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2053em;vertical-align:-0.522em;"></span><span class="mord accentunder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span class="svg-align" style="top:-2.478em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.522em;min-width:0.888em;"><span class="halfarrow-left" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8
-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span><span class="halfarrow-right" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.522em;"><span></span></span></span></span></span></span></span></span> <pur><code>\underleftrightarrow{AB}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">⏟</mo></munder></mrow><annotation encoding="application/x-tex">\underbrace{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3313em;vertical-align:-0.648em;"></span><span class="mord munder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span class="svg-align" style="top:-2.352em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.548em;min-width:1.6em;"><span class="brace-left" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMinYMin slice"><path d="M0 6l6-6h17c12.688 0 19.313.3 20 1 4 4 7.313 8.3 10 13
35.313 51.3 80.813 93.8 136.5 127.5 55.688 33.7 117.188 55.8 184.5 66.5.688
0 2 .3 4 1 18.688 2.7 76 4.3 172 5h399450v120H429l-6-1c-124.688-8-235-61.7
-331-161C60.687 138.7 32.312 99.3 7 54L0 41V6z"></path></svg></span><span class="brace-center" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMidYMin slice"><path d="M199572 214
c100.7 8.3 195.3 44 280 108 55.3 42 101.7 93 139 153l9 14c2.7-4 5.7-8.7 9-14
53.3-86.7 123.7-153 211-199 66.7-36 137.3-56.3 212-62h199568v120H200432c-178.3
11.7-311.7 78.3-403 201-6 8-9.7 12-11 12-.7.7-6.7 1-18 1s-17.3-.3-18-1c-1.3 0
-5-4-11-12-44.7-59.3-101.3-106.3-170-141s-145.3-54.3-229-60H0V214z"></path></svg></span><span class="brace-right" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMaxYMin slice"><path d="M399994 0l6 6v35l-6 11c-56 104-135.3 181.3-238 232-57.3
28.7-117 45-179 50H-300V214h399897c43.3-7 81-15 113-26 100.7-33 179.7-91 237
-174 2.7-5 6-9 10-13 .7-1 7.3-1 20-1h17z"></path></svg></span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.648em;"><span></span></span></span></span></span></span></span></span> <pur><code>\underbrace{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>ˋ</mo></mover></mrow><annotation encoding="application/x-tex">\grave{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal">a</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">ˋ</span></span></span></span></span></span></span></span></span></span> <pur><code>\grave{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">‾</mo></mover></mrow><annotation encoding="application/x-tex">\overline{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8833em;"></span><span class="mord overline"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8833em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span><span style="top:-3.8033em;"><span class="pstrut" style="height:3em;"></span><span class="overline-line" style="border-bottom-width:0.04em;"></span></span></span></span></span></span></span></span></span> <pur><code>\overline{AB}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">undefined</mo></mover></mrow><annotation encoding="application/x-tex">\overlinesegment{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2053em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.2053em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span><span class="svg-align" style="top:-3.6833em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.522em;min-width:0.888em;"><span class="halfarrow-left" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M40 281 V428 H0 V94 H40 V241 H400000 v40z
M40 281 V428 H0 V94 H40 V241 H400000 v40z"></path></svg></span><span class="halfarrow-right" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M399960 241 V94 h40 V428 h-40 V281 H0 v-40z
M399960 241 V94 h40 V428 h-40 V281 H0 v-40z"></path></svg></span></span></span></span></span></span></span></span></span></span> <pur><code>\overlinesegment{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>θ</mi><mo>^</mo></mover></mrow><annotation encoding="application/x-tex">\hat{\theta}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9579em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.9579em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord mathnormal" style="margin-right:0.02778em;">θ</span></span><span style="top:-3.2634em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.1667em;"><span class="mord">^</span></span></span></span></span></span></span></span></span></span> <pur><code>\hat{\theta}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">‾</mo></munder></mrow><annotation encoding="application/x-tex">\underline{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8833em;vertical-align:-0.2em;"></span><span class="mord underline"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span style="top:-2.84em;"><span class="pstrut" style="height:3em;"></span><span class="underline-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2em;"><span></span></span></span></span></span></span></span></span> <pur><code>\underline{AB}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mrow><mi>A</mi><mi>B</mi></mrow><mo stretchy="true">undefined</mo></munder></mrow><annotation encoding="application/x-tex">\underlinesegment{AB}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2053em;vertical-align:-0.522em;"></span><span class="mord accentunder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span class="svg-align" style="top:-2.478em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.522em;min-width:0.888em;"><span class="halfarrow-left" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M40 281 V428 H0 V94 H40 V241 H400000 v40z
M40 281 V428 H0 V94 H40 V241 H400000 v40z"></path></svg></span><span class="halfarrow-right" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M399960 241 V94 h40 V428 h-40 V281 H0 v-40z
M399960 241 V94 h40 V428 h-40 V281 H0 v-40z"></path></svg></span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.522em;"><span></span></span></span></span></span></span></span></span> <pur><code>\underlinesegment{AB}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>c</mi></mrow><mo stretchy="true">^</mo></mover></mrow><annotation encoding="application/x-tex">\widehat{ac}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7306em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7306em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.4306em;"><span class="pstrut" style="height:3em;"></span><span style="height:0.3em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="0.3em" viewBox="0 0 2364 300" preserveAspectRatio="none"><path d="M1181 0h2l1171 176c6 0 10 5 10 11l-2 23c-1 6-5 10
-11 10h-1L1182 67 15 220h-1c-6 0-10-4-11-10l-2-23c-1-6 4-11 10-11z"></path></svg></span></span></span></span></span></span></span></span></span> <pur><code>\widehat{ac}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>c</mi></mrow><mo stretchy="true">ˇ</mo></mover></mrow><annotation encoding="application/x-tex">\widecheck{ac}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7306em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7306em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.4306em;"><span class="pstrut" style="height:3em;"></span><span style="height:0.3em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="0.3em" viewBox="0 0 2364 300" preserveAspectRatio="none"><path d="M1181,220h2l1171,-176c6,0,10,-5,10,-11l-2,-23c-1,-6,-5,-10,
-11,-10h-1l-1168,153l-1167,-153h-1c-6,0,-10,4,-11,10l-2,23c-1,6,4,11,10,11z"></path></svg></span></span></span></span></span></span></span></span></span> <pur><code>\widecheck{ac}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mtext>X</mtext><mo stretchy="true">‾</mo></munder></mrow><annotation encoding="application/x-tex">\underbar{X}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8833em;vertical-align:-0.2em;"></span><span class="mord underline"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span style="top:-2.84em;"><span class="pstrut" style="height:3em;"></span><span class="underline-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord text"><span class="mord">X</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2em;"><span></span></span></span></span></span></span></span></span> <pur><code>\underbar{X}</code></pur></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="text中的强调功能"><a aria-hidden="true" tabindex="-1" href="#text中的强调功能"><span class="icon icon-link"></span></a>\text｛…｝中的强调功能</h3><div class="wrap-body">
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>ˊ</mo></mover></mrow><annotation encoding="application/x-tex">\'{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">ˊ</span></span></span></span></span></span></span></span></span></span> <pur><code>\'{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>˜</mo></mover></mrow><annotation encoding="application/x-tex">\~{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6679em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">˜</span></span></span></span></span></span></span></span></span></span> <pur><code>\~{a}</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>˙</mo></mover></mrow><annotation encoding="application/x-tex">\.{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6679em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.1389em;"><span class="mord">˙</span></span></span></span></span></span></span></span></span></span> <pur><code>\.{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>˝</mo></mover></mrow><annotation encoding="application/x-tex">\H{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">˝</span></span></span></span></span></span></span></span></span></span> <pur><code>\H{a}</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mspace linebreak="newline"></mspace><mover accent="true"><mi>a</mi><mo>ˋ</mo></mover></mrow><annotation encoding="application/x-tex">\\\`{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="mspace newline"></span><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">ˋ</span></span></span></span></span></span></span></span></span></span> <pur><code>\`{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>ˉ</mo></mover></mrow><annotation encoding="application/x-tex">\={a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5678em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.5678em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">ˉ</span></span></span></span></span></span></span></span></span></span> <pur><code>\={a}</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>¨</mo></mover></mrow><annotation encoding="application/x-tex">\"{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6679em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">¨</span></span></span></span></span></span></span></span></span></span> <pur><code>\"{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>ˇ</mo></mover></mrow><annotation encoding="application/x-tex">\v{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6285em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6285em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">ˇ</span></span></span></span></span></span></span></span></span></span> <pur><code>\v{a}</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>ˆ</mo></mover></mrow><annotation encoding="application/x-tex">\^{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">ˆ</span></span></span></span></span></span></span></span></span></span> <pur><code>\^{a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>˘</mo></mover></mrow><annotation encoding="application/x-tex">\u{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.25em;"><span class="mord">˘</span></span></span></span></span></span></span></span></span></span> <pur><code>\u{a}</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mi>a</mi><mo>˚</mo></mover></mrow><annotation encoding="application/x-tex">\r{a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.375em;"><span class="mord">˚</span></span></span></span></span></span></span></span></span></span> <pur><code>\r{a}</code></pur></td><td align="left"></td><td align="left"></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="定界符大小调整"><a aria-hidden="true" tabindex="-1" href="#定界符大小调整"><span class="icon icon-link"></span></a>定界符大小调整</h3><div class="wrap-body">
<table><thead><tr><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">(</mo><mstyle mathsize="1.728em"><mrow><mi>A</mi><mi>B</mi></mrow></mstyle><mo fence="true">)</mo></mrow><annotation encoding="application/x-tex">\left(\LARGE{AB}\right)</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.8308em;vertical-align:-0.65em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size2">(</span></span><span class="mord sizing reset-size6 size9"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size2">)</span></span></span></span></span></span></td><td align="left"><pur><code>\left(\LARGE{AB}\right)</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">(</mo><mo fence="false" stretchy="true" minsize="1.2em" maxsize="1.2em">(</mo><mo fence="false" stretchy="true" minsize="1.8em" maxsize="1.8em">(</mo><mo fence="false" stretchy="true" minsize="2.4em" maxsize="2.4em">(</mo><mo fence="false" stretchy="true" minsize="3em" maxsize="3em">(</mo></mrow><annotation encoding="application/x-tex">( \big( \Big( \bigg( \Bigg(</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:3em;vertical-align:-1.25em;"></span><span class="mopen">(</span><span class="mord"><span class="delimsizing size1">(</span></span><span class="mord"><span class="delimsizing size2">(</span></span><span class="mord"><span class="delimsizing size3">(</span></span><span class="mord"><span class="delimsizing size4">(</span></span></span></span></span></td><td align="left"><pur><code>( \big( \Big( \bigg( \Bigg(</code></pur></td></tr></tbody></table>
<hr>
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><code>\left</code></td><td align="left"><code>\big</code></td><td align="left"><code>\bigl</code></td><td align="left"><code>\bigm</code></td><td align="left"><code>\bigr</code></td></tr><tr><td align="left"><code>\middle</code></td><td align="left"><code>\Big</code></td><td align="left"><code>\Bigl</code></td><td align="left"><code>\Bigm</code></td><td align="left"><code>\Bigr</code></td></tr><tr><td align="left"><code>\right</code></td><td align="left"><code>\bigg</code></td><td align="left"><code>\biggl</code></td><td align="left"><code>\biggm</code></td><td align="left"><code>\biggr</code></td></tr><tr><td align="left"><code>\</code></td><td align="left"><code>\Bigg</code></td><td align="left"><code>\Biggl</code></td><td align="left"><code>\Biggm</code></td><td align="left"><code>\Biggr</code></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="希腊和希伯来字母"><a aria-hidden="true" tabindex="-1" href="#希腊和希伯来字母"><span class="icon icon-link"></span></a>希腊和希伯来字母</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table class="left-align"><thead><tr><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>α</mi></mrow><annotation encoding="application/x-tex">\alpha</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.0037em;">α</span></span></span></span></td><td align="left"><pur><code>\alpha</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>κ</mi></mrow><annotation encoding="application/x-tex">\kappa</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">κ</span></span></span></span></td><td align="left"><pur><code>\kappa</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ψ</mi></mrow><annotation encoding="application/x-tex">\psi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">ψ</span></span></span></span></td><td align="left"><pur><code>\psi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ϝ</mi></mrow><annotation encoding="application/x-tex">\digamma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mord amsrm">ϝ</span></span></span></span></td><td align="left"><pur><code>\digamma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Δ</mi></mrow><annotation encoding="application/x-tex">\Delta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Δ</span></span></span></span></td><td align="left"><pur><code>\Delta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Θ</mi></mrow><annotation encoding="application/x-tex">\Theta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Θ</span></span></span></span></td><td align="left"><pur><code>\Theta</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>β</mi></mrow><annotation encoding="application/x-tex">\beta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.05278em;">β</span></span></span></span></td><td align="left"><pur><code>\beta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>λ</mi></mrow><annotation encoding="application/x-tex">\lambda</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal">λ</span></span></span></span></td><td align="left"><pur><code>\lambda</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ρ</mi></mrow><annotation encoding="application/x-tex">\rho</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">ρ</span></span></span></span></td><td align="left"><pur><code>\rho</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ε</mi></mrow><annotation encoding="application/x-tex">\varepsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">ε</span></span></span></span></td><td align="left"><pur><code>\varepsilon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Γ</mi></mrow><annotation encoding="application/x-tex">\Gamma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Γ</span></span></span></span></td><td align="left"><pur><code>\Gamma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Υ</mi></mrow><annotation encoding="application/x-tex">\Upsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Υ</span></span></span></span></td><td align="left"><pur><code>\Upsilon</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>χ</mi></mrow><annotation encoding="application/x-tex">\chi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">χ</span></span></span></span></td><td align="left"><pur><code>\chi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>μ</mi></mrow><annotation encoding="application/x-tex">\mu</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">μ</span></span></span></span></td><td align="left"><pur><code>\mu</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>σ</mi></mrow><annotation encoding="application/x-tex">\sigma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">σ</span></span></span></span></td><td align="left"><pur><code>\sigma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ϰ</mi></mrow><annotation encoding="application/x-tex">\varkappa</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord amsrm" style="margin-right:0.04028em;">ϰ</span></span></span></span></td><td align="left"><pur><code>\varkappa</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Λ</mi></mrow><annotation encoding="application/x-tex">\Lambda</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Λ</span></span></span></span></td><td align="left"><pur><code>\Lambda</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Ξ</mi></mrow><annotation encoding="application/x-tex">\Xi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Ξ</span></span></span></span></td><td align="left"><pur><code>\Xi</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>δ</mi></mrow><annotation encoding="application/x-tex">\delta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal" style="margin-right:0.03785em;">δ</span></span></span></span></td><td align="left"><pur><code>\delta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ν</mi></mrow><annotation encoding="application/x-tex">\nu</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.06366em;">ν</span></span></span></span></td><td align="left"><pur><code>\nu</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>τ</mi></mrow><annotation encoding="application/x-tex">\tau</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.1132em;">τ</span></span></span></span></td><td align="left"><pur><code>\tau</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>φ</mi></mrow><annotation encoding="application/x-tex">\varphi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">φ</span></span></span></span></td><td align="left"><pur><code>\varphi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Ω</mi></mrow><annotation encoding="application/x-tex">\Omega</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Ω</span></span></span></span></td><td align="left"><pur><code>\Omega</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϵ</mi></mrow><annotation encoding="application/x-tex">\epsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">ϵ</span></span></span></span></td><td align="left"><pur><code>\epsilon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>o</mi></mrow><annotation encoding="application/x-tex">o</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">o</span></span></span></span></td><td align="left"><pur><code>o</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>θ</mi></mrow><annotation encoding="application/x-tex">\theta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal" style="margin-right:0.02778em;">θ</span></span></span></span></td><td align="left"><pur><code>\theta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϖ</mi></mrow><annotation encoding="application/x-tex">\varpi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.02778em;">ϖ</span></span></span></span></td><td align="left"><pur><code>\varpi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Φ</mi></mrow><annotation encoding="application/x-tex">\Phi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Φ</span></span></span></span></td><td align="left"><pur><code>\Phi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℵ</mi></mrow><annotation encoding="application/x-tex">\aleph</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℵ</span></span></span></span></td><td align="left"><pur><code>\aleph</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>η</mi></mrow><annotation encoding="application/x-tex">\eta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">η</span></span></span></span></td><td align="left"><pur><code>\eta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ω</mi></mrow><annotation encoding="application/x-tex">\omega</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">ω</span></span></span></span></td><td align="left"><pur><code>\omega</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>υ</mi></mrow><annotation encoding="application/x-tex">\upsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">υ</span></span></span></span></td><td align="left"><pur><code>\upsilon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϱ</mi></mrow><annotation encoding="application/x-tex">\varrho</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">ϱ</span></span></span></span></td><td align="left"><pur><code>\varrho</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Π</mi></mrow><annotation encoding="application/x-tex">\Pi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Π</span></span></span></span></td><td align="left"><pur><code>\Pi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℶ</mi></mrow><annotation encoding="application/x-tex">\beth</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">ℶ</span></span></span></span></td><td align="left"><pur><code>\beth</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>γ</mi></mrow><annotation encoding="application/x-tex">\gamma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.05556em;">γ</span></span></span></span></td><td align="left"><pur><code>\gamma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϕ</mi></mrow><annotation encoding="application/x-tex">\phi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">ϕ</span></span></span></span></td><td align="left"><pur><code>\phi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ξ</mi></mrow><annotation encoding="application/x-tex">\xi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.04601em;">ξ</span></span></span></span></td><td align="left"><pur><code>\xi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ς</mi></mrow><annotation encoding="application/x-tex">\varsigma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5278em;vertical-align:-0.0972em;"></span><span class="mord mathnormal" style="margin-right:0.07986em;">ς</span></span></span></span></td><td align="left"><pur><code>\varsigma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Ψ</mi></mrow><annotation encoding="application/x-tex">\Psi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Ψ</span></span></span></span></td><td align="left"><pur><code>\Psi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℸ</mi></mrow><annotation encoding="application/x-tex">\daleth</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">ℸ</span></span></span></span></td><td align="left"><pur><code>\daleth</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ι</mi></mrow><annotation encoding="application/x-tex">\iota</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">ι</span></span></span></span></td><td align="left"><pur><code>\iota</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>π</mi></mrow><annotation encoding="application/x-tex">\pi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">π</span></span></span></span></td><td align="left"><pur><code>\pi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ζ</mi></mrow><annotation encoding="application/x-tex">\zeta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.07378em;">ζ</span></span></span></span></td><td align="left"><pur><code>\zeta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϑ</mi></mrow><annotation encoding="application/x-tex">\vartheta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal">ϑ</span></span></span></span></td><td align="left"><pur><code>\vartheta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Σ</mi></mrow><annotation encoding="application/x-tex">\Sigma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Σ</span></span></span></span></td><td align="left"><pur><code>\Sigma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℷ</mi></mrow><annotation encoding="application/x-tex">\gimel</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">ℷ</span></span></span></span></td><td align="left"><pur><code>\gimel</code></pur></td></tr></tbody></table>
<!--rehype:className=left-align-->
<p>其它字母</p>
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ı</mi></mrow><annotation encoding="application/x-tex">\imath</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal"></span></span></span></span></td><td align="left"><pur><code>\imath</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∇</mi></mrow><annotation encoding="application/x-tex">\nabla</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">∇</span></span></span></span></td><td align="left"><pur><code>\nabla</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℑ</mi></mrow><annotation encoding="application/x-tex">\Im</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℑ</span></span></span></span></td><td align="left"><pur><code>\Im</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">R</mi></mrow><annotation encoding="application/x-tex">\Reals</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">R</span></span></span></span></td><td align="left"><pur><code>\Reals</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>Œ</mtext></mrow><annotation encoding="application/x-tex">\text{\OE}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord text"><span class="mord latin_fallback">Œ</span></span></span></span></span></td><td align="left"><pur><code>\text{\OE}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ȷ</mi></mrow><annotation encoding="application/x-tex">\jmath</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal"></span></span></span></span></td><td align="left"><pur><code>\jmath</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∂</mi></mrow><annotation encoding="application/x-tex">\partial</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord" style="margin-right:0.05556em;">∂</span></span></span></span></td><td align="left"><pur><code>\partial</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℑ</mi></mrow><annotation encoding="application/x-tex">\image</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℑ</span></span></span></span></td><td align="left"><pur><code>\image</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">℘</mi></mrow><annotation encoding="application/x-tex">\wp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord">℘</span></span></span></span></td><td align="left"><pur><code>\wp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>ø</mtext></mrow><annotation encoding="application/x-tex">\text{\o}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.0972em;"></span><span class="mord text"><span class="mord">ø</span></span></span></span></span></td><td align="left"><pur><code>\text{\o}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℵ</mi></mrow><annotation encoding="application/x-tex">\aleph</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℵ</span></span></span></span></td><td align="left"><pur><code>\aleph</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">⅁</mi></mrow><annotation encoding="application/x-tex">\Game</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">⅁</span></span></span></span></td><td align="left"><pur><code>\Game</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">k</mi></mrow><annotation encoding="application/x-tex">\Bbbk</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">k</span></span></span></span></td><td align="left"><pur><code>\Bbbk</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">℘</mi></mrow><annotation encoding="application/x-tex">\weierp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord">℘</span></span></span></span></td><td align="left"><pur><code>\weierp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>Ø</mtext></mrow><annotation encoding="application/x-tex">\text{\O}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7806em;vertical-align:-0.0486em;"></span><span class="mord text"><span class="mord">Ø</span></span></span></span></span></td><td align="left"><pur><code>\text{\O}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℵ</mi></mrow><annotation encoding="application/x-tex">\alef</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℵ</span></span></span></span></td><td align="left"><pur><code>\alef</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Ⅎ</mi></mrow><annotation encoding="application/x-tex">\Finv</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">Ⅎ</span></span></span></span></td><td align="left"><pur><code>\Finv</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">N</mi></mrow><annotation encoding="application/x-tex">\N</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">N</span></span></span></span></td><td align="left"><pur><code>\N</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">Z</mi></mrow><annotation encoding="application/x-tex">\Z</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">Z</span></span></span></span></td><td align="left"><pur><code>\Z</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>ß</mtext></mrow><annotation encoding="application/x-tex">\text{\ss}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord">ß</span></span></span></span></span></td><td align="left"><pur><code>\text{\ss}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℵ</mi></mrow><annotation encoding="application/x-tex">\alefsym</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℵ</span></span></span></span></td><td align="left"><pur><code>\alefsym</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">C</mi></mrow><annotation encoding="application/x-tex">\cnums</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">C</span></span></span></span></td><td align="left"><pur><code>\cnums</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">N</mi></mrow><annotation encoding="application/x-tex">\natnums</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">N</span></span></span></span></td><td align="left"><pur><code>\natnums</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mtext>a</mtext><mo>˚</mo></mover></mrow><annotation encoding="application/x-tex">\text{\aa}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord">a</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.375em;"><span class="mord">˚</span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\text{\aa}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>ı</mtext></mrow><annotation encoding="application/x-tex">\text{\i}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord text"><span class="mord latin_fallback">ı</span></span></span></span></span></td><td align="left"><pur><code>\text{\i}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℶ</mi></mrow><annotation encoding="application/x-tex">\beth</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">ℶ</span></span></span></span></td><td align="left"><pur><code>\beth</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">C</mi></mrow><annotation encoding="application/x-tex">\Complex</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">C</span></span></span></span></td><td align="left"><pur><code>\Complex</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">R</mi></mrow><annotation encoding="application/x-tex">\R</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">R</span></span></span></span></td><td align="left"><pur><code>\R</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mtext>A</mtext><mo>˚</mo></mover></mrow><annotation encoding="application/x-tex">\text{\AA}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9468em;"></span><span class="mord text"><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.9468em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord">A</span></span><span style="top:-3.2523em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body" style="left:-0.375em;"><span class="mord">˚</span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\text{\AA}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>ȷ</mtext></mrow><annotation encoding="application/x-tex">\text{\j}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord text"><span class="mord latin_fallback">ȷ</span></span></span></span></span></td><td align="left"><pur><code>\text{\j}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℷ</mi></mrow><annotation encoding="application/x-tex">\gimel</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">ℷ</span></span></span></span></td><td align="left"><pur><code>\gimel</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℓ</mi></mrow><annotation encoding="application/x-tex">\ell</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℓ</span></span></span></span></td><td align="left"><pur><code>\ell</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℜ</mi></mrow><annotation encoding="application/x-tex">\Re</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℜ</span></span></span></span></td><td align="left"><pur><code>\Re</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>æ</mtext></mrow><annotation encoding="application/x-tex">\text{\ae}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord text"><span class="mord">æ</span></span></span></span></span></td><td align="left"><pur><code>\text{\ae}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℸ</mi></mrow><annotation encoding="application/x-tex">\daleth</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">ℸ</span></span></span></span></td><td align="left"><pur><code>\daleth</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℏ</mi></mrow><annotation encoding="application/x-tex">\hbar</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord">ℏ</span></span></span></span></td><td align="left"><pur><code>\hbar</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℜ</mi></mrow><annotation encoding="application/x-tex">\real</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">ℜ</span></span></span></span></td><td align="left"><pur><code>\real</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>Æ</mtext></mrow><annotation encoding="application/x-tex">\text{\AE}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord text"><span class="mord">Æ</span></span></span></span></span></td><td align="left"><pur><code>\text{\AE}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ð</mi></mrow><annotation encoding="application/x-tex">\eth</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">ð</span></span></span></span></td><td align="left"><pur><code>\eth</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ℏ</mi></mrow><annotation encoding="application/x-tex">\hslash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">ℏ</span></span></span></span></td><td align="left"><pur><code>\hslash</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="double-struck">R</mi></mrow><annotation encoding="application/x-tex">\reals</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord mathbb">R</span></span></span></span></td><td align="left"><pur><code>\reals</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>œ</mtext></mrow><annotation encoding="application/x-tex">\text{\oe}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord text"><span class="mord latin_fallback">œ</span></span></span></span></span></td><td align="left"><pur><code>\text{\oe}</code></pur></td><td align="left"></td><td align="left"></td></tr></tbody></table>
<!--rehype:className=left-align-->
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="字母和-unicode"><a aria-hidden="true" tabindex="-1" href="#字母和-unicode"><span class="icon icon-link"></span></a>字母和 Unicode</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table class="show-header left-align"><thead><tr><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">A</mi></mrow><annotation encoding="application/x-tex">\Alpha</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">A</span></span></span></span></td><td align="left"><pur><code>\Alpha</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">B</mi></mrow><annotation encoding="application/x-tex">\Beta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">B</span></span></span></span></td><td align="left"><pur><code>\Beta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Γ</mi></mrow><annotation encoding="application/x-tex">\Gamma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Γ</span></span></span></span></td><td align="left"><pur><code>\Gamma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Δ</mi></mrow><annotation encoding="application/x-tex">\Delta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Δ</span></span></span></span></td><td align="left"><pur><code>\Delta</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">E</mi></mrow><annotation encoding="application/x-tex">\Epsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">E</span></span></span></span></td><td align="left"><pur><code>\Epsilon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Z</mi></mrow><annotation encoding="application/x-tex">\Zeta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">Z</span></span></span></span></td><td align="left"><pur><code>\Zeta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">H</mi></mrow><annotation encoding="application/x-tex">\Eta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">H</span></span></span></span></td><td align="left"><pur><code>\Eta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Θ</mi></mrow><annotation encoding="application/x-tex">\Theta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Θ</span></span></span></span></td><td align="left"><pur><code>\Theta</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">I</mi></mrow><annotation encoding="application/x-tex">\Iota</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">I</span></span></span></span></td><td align="left"><pur><code>\Iota</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">K</mi></mrow><annotation encoding="application/x-tex">\Kappa</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">K</span></span></span></span></td><td align="left"><pur><code>\Kappa</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Λ</mi></mrow><annotation encoding="application/x-tex">\Lambda</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Λ</span></span></span></span></td><td align="left"><pur><code>\Lambda</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">M</mi></mrow><annotation encoding="application/x-tex">\Mu</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">M</span></span></span></span></td><td align="left"><pur><code>\Mu</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">N</mi></mrow><annotation encoding="application/x-tex">\Nu</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">N</span></span></span></span></td><td align="left"><pur><code>\Nu</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Ξ</mi></mrow><annotation encoding="application/x-tex">\Xi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Ξ</span></span></span></span></td><td align="left"><pur><code>\Xi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">O</mi></mrow><annotation encoding="application/x-tex">\Omicron</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">O</span></span></span></span></td><td align="left"><pur><code>\Omicron</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Π</mi></mrow><annotation encoding="application/x-tex">\Pi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Π</span></span></span></span></td><td align="left"><pur><code>\Pi</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">P</mi></mrow><annotation encoding="application/x-tex">\Rho</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">P</span></span></span></span></td><td align="left"><pur><code>\Rho</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Σ</mi></mrow><annotation encoding="application/x-tex">\Sigma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Σ</span></span></span></span></td><td align="left"><pur><code>\Sigma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">T</mi></mrow><annotation encoding="application/x-tex">\Tau</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">T</span></span></span></span></td><td align="left"><pur><code>\Tau</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Υ</mi></mrow><annotation encoding="application/x-tex">\Upsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Υ</span></span></span></span></td><td align="left"><pur><code>\Upsilon</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Φ</mi></mrow><annotation encoding="application/x-tex">\Phi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Φ</span></span></span></span></td><td align="left"><pur><code>\Phi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">X</mi></mrow><annotation encoding="application/x-tex">\Chi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathrm">X</span></span></span></span></td><td align="left"><pur><code>\Chi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Ψ</mi></mrow><annotation encoding="application/x-tex">\Psi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Ψ</span></span></span></span></td><td align="left"><pur><code>\Psi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Ω</mi></mrow><annotation encoding="application/x-tex">\Omega</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">Ω</span></span></span></span></td><td align="left"><pur><code>\Omega</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Γ</mi></mrow><annotation encoding="application/x-tex">\varGamma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Γ</span></span></span></span></td><td align="left"><pur><code>\varGamma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Δ</mi></mrow><annotation encoding="application/x-tex">\varDelta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Δ</span></span></span></span></td><td align="left"><pur><code>\varDelta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Θ</mi></mrow><annotation encoding="application/x-tex">\varTheta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Θ</span></span></span></span></td><td align="left"><pur><code>\varTheta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Λ</mi></mrow><annotation encoding="application/x-tex">\varLambda</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Λ</span></span></span></span></td><td align="left"><pur><code>\varLambda</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Ξ</mi></mrow><annotation encoding="application/x-tex">\varXi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Ξ</span></span></span></span></td><td align="left"><pur><code>\varXi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Π</mi></mrow><annotation encoding="application/x-tex">\varPi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Π</span></span></span></span></td><td align="left"><pur><code>\varPi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Σ</mi></mrow><annotation encoding="application/x-tex">\varSigma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Σ</span></span></span></span></td><td align="left"><pur><code>\varSigma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Υ</mi></mrow><annotation encoding="application/x-tex">\varUpsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Υ</span></span></span></span></td><td align="left"><pur><code>\varUpsilon</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Φ</mi></mrow><annotation encoding="application/x-tex">\varPhi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Φ</span></span></span></span></td><td align="left"><pur><code>\varPhi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Ψ</mi></mrow><annotation encoding="application/x-tex">\varPsi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Ψ</span></span></span></span></td><td align="left"><pur><code>\varPsi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Ω</mi></mrow><annotation encoding="application/x-tex">\varOmega</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathit">Ω</span></span></span></span></td><td align="left"><pur><code>\varOmega</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>α</mi></mrow><annotation encoding="application/x-tex">\alpha</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.0037em;">α</span></span></span></span></td><td align="left"><pur><code>\alpha</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>β</mi></mrow><annotation encoding="application/x-tex">\beta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.05278em;">β</span></span></span></span></td><td align="left"><pur><code>\beta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>γ</mi></mrow><annotation encoding="application/x-tex">\gamma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.05556em;">γ</span></span></span></span></td><td align="left"><pur><code>\gamma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>δ</mi></mrow><annotation encoding="application/x-tex">\delta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal" style="margin-right:0.03785em;">δ</span></span></span></span></td><td align="left"><pur><code>\delta</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϵ</mi></mrow><annotation encoding="application/x-tex">\epsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">ϵ</span></span></span></span></td><td align="left"><pur><code>\epsilon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ζ</mi></mrow><annotation encoding="application/x-tex">\zeta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.07378em;">ζ</span></span></span></span></td><td align="left"><pur><code>\zeta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>η</mi></mrow><annotation encoding="application/x-tex">\eta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">η</span></span></span></span></td><td align="left"><pur><code>\eta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>θ</mi></mrow><annotation encoding="application/x-tex">\theta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal" style="margin-right:0.02778em;">θ</span></span></span></span></td><td align="left"><pur><code>\theta</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ι</mi></mrow><annotation encoding="application/x-tex">\iota</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">ι</span></span></span></span></td><td align="left"><pur><code>\iota</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>κ</mi></mrow><annotation encoding="application/x-tex">\kappa</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">κ</span></span></span></span></td><td align="left"><pur><code>\kappa</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>λ</mi></mrow><annotation encoding="application/x-tex">\lambda</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal">λ</span></span></span></span></td><td align="left"><pur><code>\lambda</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>μ</mi></mrow><annotation encoding="application/x-tex">\mu</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">μ</span></span></span></span></td><td align="left"><pur><code>\mu</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ν</mi></mrow><annotation encoding="application/x-tex">\nu</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.06366em;">ν</span></span></span></span></td><td align="left"><pur><code>\nu</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ξ</mi></mrow><annotation encoding="application/x-tex">\xi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.04601em;">ξ</span></span></span></span></td><td align="left"><pur><code>\xi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ο</mi></mrow><annotation encoding="application/x-tex">\omicron</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">ο</span></span></span></span></td><td align="left"><pur><code>\omicron</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>π</mi></mrow><annotation encoding="application/x-tex">\pi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">π</span></span></span></span></td><td align="left"><pur><code>\pi</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ρ</mi></mrow><annotation encoding="application/x-tex">\rho</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">ρ</span></span></span></span></td><td align="left"><pur><code>\rho</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>σ</mi></mrow><annotation encoding="application/x-tex">\sigma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">σ</span></span></span></span></td><td align="left"><pur><code>\sigma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>τ</mi></mrow><annotation encoding="application/x-tex">\tau</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.1132em;">τ</span></span></span></span></td><td align="left"><pur><code>\tau</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>υ</mi></mrow><annotation encoding="application/x-tex">\upsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">υ</span></span></span></span></td><td align="left"><pur><code>\upsilon</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϕ</mi></mrow><annotation encoding="application/x-tex">\phi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">ϕ</span></span></span></span></td><td align="left"><pur><code>\phi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>χ</mi></mrow><annotation encoding="application/x-tex">\chi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">χ</span></span></span></span></td><td align="left"><pur><code>\chi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ψ</mi></mrow><annotation encoding="application/x-tex">\psi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">ψ</span></span></span></span></td><td align="left"><pur><code>\psi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ω</mi></mrow><annotation encoding="application/x-tex">\omega</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">ω</span></span></span></span></td><td align="left"><pur><code>\omega</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ε</mi></mrow><annotation encoding="application/x-tex">\varepsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">ε</span></span></span></span></td><td align="left"><pur><code>\varepsilon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ϰ</mi></mrow><annotation encoding="application/x-tex">\varkappa</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord amsrm" style="margin-right:0.04028em;">ϰ</span></span></span></span></td><td align="left"><pur><code>\varkappa</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϑ</mi></mrow><annotation encoding="application/x-tex">\vartheta</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal">ϑ</span></span></span></span></td><td align="left"><pur><code>\vartheta</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϑ</mi></mrow><annotation encoding="application/x-tex">\thetasym</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal">ϑ</span></span></span></span></td><td align="left"><pur><code>\thetasym</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϖ</mi></mrow><annotation encoding="application/x-tex">\varpi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.02778em;">ϖ</span></span></span></span></td><td align="left"><pur><code>\varpi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ϱ</mi></mrow><annotation encoding="application/x-tex">\varrho</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">ϱ</span></span></span></span></td><td align="left"><pur><code>\varrho</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ς</mi></mrow><annotation encoding="application/x-tex">\varsigma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5278em;vertical-align:-0.0972em;"></span><span class="mord mathnormal" style="margin-right:0.07986em;">ς</span></span></span></span></td><td align="left"><pur><code>\varsigma</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>φ</mi></mrow><annotation encoding="application/x-tex">\varphi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">φ</span></span></span></span></td><td align="left"><pur><code>\varphi</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">ϝ</mi></mrow><annotation encoding="application/x-tex">\digamma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mord amsrm">ϝ</span></span></span></span></td><td align="left"><pur><code>\digamma</code></pur></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="注解"><a aria-hidden="true" tabindex="-1" href="#注解"><span class="icon icon-link"></span></a>注解</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><menclose notation="updiagonalstrike"><mn>5</mn></menclose></mrow><annotation encoding="application/x-tex">\cancel{5}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6444em;"></span><span class="mord"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8444em;"><span style="top:-3.0444em;"><span class="pstrut" style="height:3.0444em;"></span><span class="mord"><span class="mord">5</span></span></span><span class="svg-align" style="top:-2.8444em;"><span class="pstrut" style="height:3.0444em;"></span><span style="height:1.0444em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="1.0444em"><line x1="0" y1="100%" x2="100%" y2="0" stroke-width="0.046em"></line></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\cancel{5}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mover><mrow><mi>a</mi><mo>+</mo><mi>b</mi><mo>+</mo><mi>c</mi></mrow><mo stretchy="true">⏞</mo></mover><mtext>note</mtext></mover></mrow><annotation encoding="application/x-tex">\overbrace{a+b+c}^{\text{note}}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.0563em;vertical-align:-0.0833em;"></span><span class="mord mover"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.973em;"><span style="top:-3.3424em;"><span class="pstrut" style="height:3.3424em;"></span><span class="mord mover"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.3424em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">b</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.7944em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.548em;min-width:1.6em;"><span class="brace-left" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMinYMin slice"><path d="M6 548l-6-6v-35l6-11c56-104 135.3-181.3 238-232 57.3-28.7 117
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-6 6h-17c-12.7 0-19.3-.3-20-1-4-4-7.3-8.3-10-13-35.3-51.3-80.8-93.8-136.5-127.5
s-117.2-55.8-184.5-66.5c-.7 0-2-.3-4-1-18.7-2.7-76-4.3-172-5H0V214h399571l6 1
c124.7 8 235 61.7 331 161 31.3 33.3 59.7 72.7 85 118l7 13v35z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.0833em;"><span></span></span></span></span></span></span><span style="top:-4.8849em;"><span class="pstrut" style="height:3.3424em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord text mtight"><span class="mord mtight">note</span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.0833em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\overbrace{a+b+c}^{\text{note}}</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><menclose notation="downdiagonalstrike"><mn>5</mn></menclose></mrow><annotation encoding="application/x-tex">\bcancel{5}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6444em;"></span><span class="mord"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8444em;"><span style="top:-3.0444em;"><span class="pstrut" style="height:3.0444em;"></span><span class="mord"><span class="mord">5</span></span></span><span class="svg-align" style="top:-2.8444em;"><span class="pstrut" style="height:3.0444em;"></span><span style="height:1.0444em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="1.0444em"><line x1="0" y1="0" x2="100%" y2="100%" stroke-width="0.046em"></line></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\bcancel{5}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder><munder><mrow><mi>a</mi><mo>+</mo><mi>b</mi><mo>+</mo><mi>c</mi></mrow><mo stretchy="true">⏟</mo></munder><mtext>note</mtext></munder></mrow><annotation encoding="application/x-tex">\underbrace{a+b+c}_{\text{note}}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.0563em;vertical-align:-1.3619em;"></span><span class="mord munder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-1.6381em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord text mtight"><span class="mord mtight">note</span></span></span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord munder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span class="svg-align" style="top:-2.2687em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.548em;min-width:1.6em;"><span class="brace-left" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMinYMin slice"><path d="M0 6l6-6h17c12.688 0 19.313.3 20 1 4 4 7.313 8.3 10 13
35.313 51.3 80.813 93.8 136.5 127.5 55.688 33.7 117.188 55.8 184.5 66.5.688
0 2 .3 4 1 18.688 2.7 76 4.3 172 5h399450v120H429l-6-1c-124.688-8-235-61.7
-331-161C60.687 138.7 32.312 99.3 7 54L0 41V6z"></path></svg></span><span class="brace-center" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMidYMin slice"><path d="M199572 214
c100.7 8.3 195.3 44 280 108 55.3 42 101.7 93 139 153l9 14c2.7-4 5.7-8.7 9-14
53.3-86.7 123.7-153 211-199 66.7-36 137.3-56.3 212-62h199568v120H200432c-178.3
11.7-311.7 78.3-403 201-6 8-9.7 12-11 12-.7.7-6.7 1-18 1s-17.3-.3-18-1c-1.3 0
-5-4-11-12-44.7-59.3-101.3-106.3-170-141s-145.3-54.3-229-60H0V214z"></path></svg></span><span class="brace-right" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMaxYMin slice"><path d="M399994 0l6 6v35l-6 11c-56 104-135.3 181.3-238 232-57.3
28.7-117 45-179 50H-300V214h399897c43.3-7 81-15 113-26 100.7-33 179.7-91 237
-174 2.7-5 6-9 10-13 .7-1 7.3-1 20-1h17z"></path></svg></span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">b</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.7313em;"><span></span></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.3619em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\underbrace{a+b+c}_{\text{note}}</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><menclose notation="updiagonalstrike downdiagonalstrike"><mrow><mi>A</mi><mi>B</mi><mi>C</mi></mrow></menclose></mrow><annotation encoding="application/x-tex">\xcancel{ABC}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord cancel-lap"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord cancel-pad"><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.07153em;">BC</span></span></span><span class="svg-align" style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span style="height:0.6833em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="0.6833em"><line x1="0" y1="0" x2="100%" y2="100%" stroke-width="0.046em"></line><line x1="0" y1="100%" x2="100%" y2="0" stroke-width="0.046em"></line></svg></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xcancel{ABC}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≠</mo></mrow><annotation encoding="application/x-tex">\not =</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel"><span class="mord vbox"><span class="thinbox"><span class="rlap"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="inner"><span class="mord"><span class="mrel"></span></span></span><span class="fix"></span></span></span></span></span></span><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">=</span></span></span></span></td><td align="left"><pur><code>\not =</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><menclose notation="horizontalstrike"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></menclose></mrow><annotation encoding="application/x-tex">\sout{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span style="top:-3.2155em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy sout"></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\sout{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><menclose notation="box"><mstyle scriptlevel="0" displaystyle="false"><mstyle scriptlevel="0" displaystyle="false"><mstyle scriptlevel="0" displaystyle="true"><mrow><mi>π</mi><mo>=</mo><mfrac><mi>c</mi><mi>d</mi></mfrac></mrow></mstyle></mstyle></mstyle></menclose></mrow><annotation encoding="application/x-tex">\boxed{\pi=\frac c d}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4736em;vertical-align:-1.026em;"></span><span class="mord"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.4476em;"><span style="top:-4.4736em;"><span class="pstrut" style="height:4.4736em;"></span><span class="boxpad"><span class="mord"><span class="mord"><span class="mord mathnormal" style="margin-right:0.03588em;">π</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1076em;"><span style="top:-2.314em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.677em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.686em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></span><span style="top:-3.4476em;"><span class="pstrut" style="height:4.4736em;"></span><span class="stretchy fbox" style="height:2.4736em;border-style:solid;border-width:0.04em;"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.026em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\boxed{\pi=\frac c d}</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">$</mi><msub><mi>a</mi><menclose notation="actuarial"><mstyle scriptlevel="0" displaystyle="false"><mtext>n</mtext></mstyle></menclose></msub></mrow><annotation encoding="application/x-tex">\$a_{\angl n}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.148em;vertical-align:-0.398em;"></span><span class="mord">$</span><span class="mord"><span class="mord mathnormal">a</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3448em;"><span style="top:-2.777em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8111em;"><span style="top:-3.0611em;"><span class="pstrut" style="height:3.0611em;"></span><span class="mtight anglpad"><span class="mord sizing reset-size3 size6"><span class="mord">n</span></span></span></span><span style="top:-2.8111em;"><span class="pstrut" style="height:3.0611em;"></span><span class="stretchy angl mtight" style="height:1.0611em;"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.25em;"><span></span></span></span></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.398em;"><span></span></span></span></span></span></span></span></span></span> <em><red>MD语法冲突</red></em></td><td align="left"><pur><code>$a_{\angl n}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>a</mi><menclose notation="actuarial"><mstyle scriptlevel="0" displaystyle="false"><mtext>n</mtext></mstyle></menclose></msub></mrow><annotation encoding="application/x-tex">a_\angln</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8285em;vertical-align:-0.398em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3448em;"><span style="top:-2.777em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8111em;"><span style="top:-3.0611em;"><span class="pstrut" style="height:3.0611em;"></span><span class="mtight anglpad"><span class="mord sizing reset-size3 size6"><span class="mord">n</span></span></span></span><span style="top:-2.8111em;"><span class="pstrut" style="height:3.0611em;"></span><span class="stretchy angl mtight" style="height:1.0611em;"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.25em;"><span></span></span></span></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.398em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>a_\angln</code></pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><menclose notation="phasorangle"><mrow><mo>−</mo><msup><mn>78</mn><mo>∘</mo></msup></mrow></menclose></mrow><annotation encoding="application/x-tex">\phase{-78^\circ}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9683em;vertical-align:-0.2942em;"></span><span class="mord"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6741em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style="padding-left:0.5441em;"><span class="mord">−</span><span class="mord">7</span><span class="mord"><span class="mord">8</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6741em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mbin mtight">∘</span></span></span></span></span></span></span></span></span></span><span class="svg-align" style="top:-2.7058em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.9683em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.968em" viewBox="0 0 400000 968" preserveAspectRatio="xMinYMin slice"><path d="M400000 968 H0 L484 0 l65 45 L145 888 H400000z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2942em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\phase{-78^\circ}</code></pur></td><td align="left"></td><td align="left"></td><td align="left"></td></tr></tbody></table>
<p><pur>\tag{hi} x+y^{2x}</pur></p>
<pre class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable width="100%"><mtr><mtd width="50%"></mtd><mtd><mrow><mi>x</mi><mo>+</mo><msup><mi>y</mi><mrow><mn>2</mn><mi>x</mi></mrow></msup></mrow></mtd><mtd width="50%"></mtd><mtd><mtext>(hi)</mtext></mtd></mtr></mtable><annotation encoding="application/x-tex">\tag{hi} x+y^{2x}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord mathnormal">x</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span></span><span class="base"><span class="strut" style="height:1.0585em;vertical-align:-0.1944em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.03588em;">y</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8641em;"><span style="top:-3.113em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">2</span><span class="mord mathnormal mtight">x</span></span></span></span></span></span></span></span></span></span><span class="tag"><span class="strut" style="height:1.1141em;vertical-align:-0.25em;"></span><span class="mord text"><span class="mord">(</span><span class="mord"><span class="mord">hi</span></span><span class="mord">)</span></span></span></span></span></span></pre>
<p><pur>\tag*{hi} x+y^{2x}</pur></p>
<pre class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable width="100%"><mtr><mtd width="50%"></mtd><mtd><mrow><mi>x</mi><mo>+</mo><msup><mi>y</mi><mrow><mn>2</mn><mi>x</mi></mrow></msup></mrow></mtd><mtd width="50%"></mtd><mtd><mtext>hi</mtext></mtd></mtr></mtable><annotation encoding="application/x-tex">\tag*{hi} x+y^{2x}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord mathnormal">x</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span></span><span class="base"><span class="strut" style="height:1.0585em;vertical-align:-0.1944em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.03588em;">y</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8641em;"><span style="top:-3.113em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">2</span><span class="mord mathnormal mtight">x</span></span></span></span></span></span></span></span></span></span><span class="tag"><span class="strut" style="height:1.0585em;vertical-align:-0.1944em;"></span><span class="mord text"><span class="mord">hi</span></span></span></span></span></span></pre>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="垂直布局"><a aria-hidden="true" tabindex="-1" href="#垂直布局"><span class="icon icon-link"></span></a>垂直布局</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>x</mi><mi>n</mi></msub></mrow><annotation encoding="application/x-tex">x_n</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5806em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal">x</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">n</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>x_n</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mover><mo><mo>=</mo></mo><mo stretchy="false" lspace="0em" rspace="0em">!</mo></mover></mo></mrow><annotation encoding="application/x-tex">\stackrel{!}{=}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.153em;"></span><span class="mrel"><span class="mop op-limits"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.153em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span><span class="mop">=</span></span></span><span style="top:-3.5669em;margin-left:0em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mclose mtight">!</span></span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\stackrel{!}{=}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac linethickness="0px"><mi>a</mi><mi>b</mi></mfrac></mrow><annotation encoding="application/x-tex">a \atop b</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0904em;vertical-align:-0.345em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.7454em;"><span style="top:-2.355em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">b</span></span></span></span><span style="top:-3.144em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">a</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></td><td align="left"><code>a \atop b</code></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mi>e</mi><mi>x</mi></msup></mrow><annotation encoding="application/x-tex">e^x</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6644em;"></span><span class="mord"><span class="mord mathnormal">e</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6644em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">x</span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>e^x</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mover><mo><mo>=</mo></mo><mo stretchy="false" lspace="0em" rspace="0em">!</mo></mover></mo></mrow><annotation encoding="application/x-tex">\overset{!}{=}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.153em;"></span><span class="mrel"><span class="mop op-limits"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.153em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span><span class="mop">=</span></span></span><span style="top:-3.5669em;margin-left:0em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mclose mtight">!</span></span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\overset{!}{=}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>a</mi><mpadded voffset="0.25em"><mstyle scriptlevel="0" displaystyle="false"><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mstyle></mpadded><mi>c</mi></mrow><annotation encoding="application/x-tex">a\raisebox{0.25em}{$b$}c</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9444em;"></span><span class="mord mathnormal">a</span><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.9444em;"><span style="top:-3.25em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span></span></span></span><span class="mord mathnormal">c</span></span></span></span></td><td align="left"><code>a\raisebox{0.25em}{$b$}c</code></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msubsup><mrow></mrow><mi>u</mi><mi>o</mi></msubsup></mrow><annotation encoding="application/x-tex">_u^o</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9114em;vertical-align:-0.247em;"></span><span class="mord"><span></span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6644em;"><span style="top:-2.453em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">u</span></span></span><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">o</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.247em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>_u^o</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><munder><mo><mo>=</mo></mo><mo stretchy="false" lspace="0em" rspace="0em">!</mo></munder></mo></mrow><annotation encoding="application/x-tex">\underset{!}{=}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.119em;vertical-align:-0.7521em;"></span><span class="mrel"><span class="mop op-limits"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3669em;"><span style="top:-2.3479em;margin-left:0em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mclose mtight">!</span></span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span><span class="mop">=</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.7521em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\underset{!}{=}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>a</mi><mo>+</mo><mrow><mo fence="true">(</mo><mpadded class="vcenter"><mrow><mstyle scriptlevel="0" displaystyle="false"><mfrac><mfrac><mi>a</mi><mi>b</mi></mfrac><mi>c</mi></mfrac></mstyle></mrow></mpadded><mo fence="true">)</mo></mrow></mrow><annotation encoding="application/x-tex">a+\left(\vcenter{\hbox{$\frac{\frac a b}c$}}\right)</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord mathnormal">a</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span></span><span class="base"><span class="strut" style="height:1.8em;vertical-align:-0.65em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size2">(</span></span><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9399em;"><span style="top:-2.9399em;"><span class="pstrut" style="height:3.0349em;"></span><span class="mord"><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.0349em;"><span style="top:-2.655em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">c</span></span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.5508em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight"><span class="mopen nulldelimiter sizing reset-size3 size6"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6915em;"><span style="top:-2.656em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size3 size1 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">b</span></span></span></span><span style="top:-3.2255em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line mtight" style="border-bottom-width:0.049em;"></span></span><span style="top:-3.384em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size3 size1 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">a</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.344em;"><span></span></span></span></span></span><span class="mclose nulldelimiter sizing reset-size3 size6"></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.4399em;"><span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size2">)</span></span></span></span></span></span></td><td align="left"><code>a+\left(\vcenter{\hbox{$\frac{\frac a b}c$}}\right)</code></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mo>∑</mo><mstyle scriptlevel="1"><mtable rowspacing="0.1em" columnalign="center" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="1" displaystyle="false"><mrow><mn>0</mn><mo>&#x3C;</mo><mi>i</mi><mo>&#x3C;</mo><mi>m</mi></mrow></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="1" displaystyle="false"><mrow><mn>0</mn><mo>&#x3C;</mo><mi>j</mi><mo>&#x3C;</mo><mi>n</mi></mrow></mstyle></mtd></mtr></mtable></mstyle></msub></mrow><annotation encoding="application/x-tex">\sum_{\substack{0&#x3C;i&#x3C;m\\0&#x3C;j&#x3C;n}}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.5906em;vertical-align:-0.8406em;"></span><span class="mop"><span class="mop op-symbol small-op" style="position:relative;top:0em;">∑</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3448em;"><span style="top:-2.3448em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7677em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.0967em;"><span style="top:-3.1372em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord mtight"><span class="mord mtight">0</span><span class="mrel mtight">&#x3C;</span><span class="mord mathnormal mtight">i</span><span class="mrel mtight">&#x3C;</span><span class="mord mathnormal mtight">m</span></span></span><span style="top:-2.2977em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord mtight"><span class="mord mtight">0</span><span class="mrel mtight">&#x3C;</span><span class="mord mathnormal mtight" style="margin-right:0.05724em;">j</span><span class="mrel mtight">&#x3C;</span><span class="mord mathnormal mtight">n</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.5967em;"><span></span></span></span></span></span></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.8406em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\sum_{\substack{0&#x3C;i&#x3C;m\\0&#x3C;j&#x3C;n}}</code></pur></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="重叠和间距"><a aria-hidden="true" tabindex="-1" href="#重叠和间距"><span class="icon icon-link"></span></a>重叠和间距</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo lspace="0em" rspace="0em">=</mo><mpadded lspace="-1width" width="0px"><mrow><mi mathvariant="normal">/</mi><mtext> </mtext></mrow></mpadded></mrow><annotation encoding="application/x-tex">{=}\mathllap{/\,}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord"><span class="mrel">=</span></span><span class="mord vbox"><span class="thinbox"><span class="llap"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="inner"><span class="mord"><span class="mord">/</span><span class="mspace" style="margin-right:0.1667em;"></span></span></span><span class="fix"></span></span></span></span></span></span></span> <pur>{=}\mathllap{/,}</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">(</mo><msup><mi>x</mi><mpadded height="0px" depth="0px"><mn>2</mn></mpadded></msup><mo fence="true">)</mo></mrow><annotation encoding="application/x-tex">\left(x^{\smash{2}}\right)</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;">(</span><span class="mord"><span class="mord mathnormal">x</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.363em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0em;"><span style="top:-2.7em;"><span class="pstrut" style="height:2.7em;"></span><span><span class="mord mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;">)</span></span></span></span></span></td><td align="left"><pur>\left(x^{\smash{2}}\right)</pur></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mpadded width="0px"><mrow><mtext> </mtext><mi mathvariant="normal">/</mi></mrow></mpadded><mo lspace="0em" rspace="0em">=</mo></mrow><annotation encoding="application/x-tex">\mathrlap{\,/}{=}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord vbox"><span class="thinbox"><span class="rlap"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="inner"><span class="mord"><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord">/</span></span></span><span class="fix"></span></span></span></span><span class="mord"><span class="mrel">=</span></span></span></span></span> <pur>\mathrlap{,/}{=}</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msqrt><mpadded depth="0px"><mi>y</mi></mpadded></msqrt></mrow><annotation encoding="application/x-tex">\sqrt{\smash[b]{y}}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.04em;vertical-align:-0.2397em;"></span><span class="mord sqrt"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8003em;"><span class="svg-align" style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style="padding-left:0.833em;"><span class="mord"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.4306em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span><span class="mord"><span class="mord mathnormal" style="margin-right:0.03588em;">y</span></span></span></span></span></span></span></span></span></span><span style="top:-2.7603em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="min-width:0.853em;height:1.08em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702
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<p><code>\sum_{\mathclap{1\le i\le j\le n}} x_{ij}</code></p>
<pre class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><munder><mo>∑</mo><mpadded lspace="-0.5width" width="0px"><mrow><mn>1</mn><mo>≤</mo><mi>i</mi><mo>≤</mo><mi>j</mi><mo>≤</mo><mi>n</mi></mrow></mpadded></munder><msub><mi>x</mi><mrow><mi>i</mi><mi>j</mi></mrow></msub></mrow><annotation encoding="application/x-tex">\sum_{\mathclap{1\le i\le j\le n}} x_{ij}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4638em;vertical-align:-1.4138em;"></span><span class="mop op-limits"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.05em;"><span style="top:-1.8723em;margin-left:0em;"><span class="pstrut" style="height:3.05em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord vbox mtight"><span class="thinbox mtight"><span class="clap mtight"><span class="strut" style="height:0.854em;vertical-align:-0.1944em;"></span><span class="inner mtight"><span><span class="mord mtight"><span class="mord mtight">1</span><span class="mrel mtight">≤</span><span class="mord mathnormal mtight">i</span><span class="mrel mtight">≤</span><span class="mord mathnormal mtight" style="margin-right:0.05724em;">j</span><span class="mrel mtight">≤</span><span class="mord mathnormal mtight">n</span></span></span></span><span class="fix"></span></span></span></span></span></span></span><span style="top:-3.05em;"><span class="pstrut" style="height:3.05em;"></span><span><span class="mop op-symbol large-op">∑</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.4138em;"><span></span></span></span></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord"><span class="mord mathnormal">x</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3117em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight" style="margin-right:0.05724em;">ij</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2861em;"><span></span></span></span></span></span></span></span></span></span></span></pre>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="katexlatex-数学结构"><a aria-hidden="true" tabindex="-1" href="#katexlatex-数学结构"><span class="icon icon-link"></span></a><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>LaTeX</mtext></mrow><annotation encoding="application/x-tex">\LaTeX</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8988em;vertical-align:-0.2155em;"></span><span class="mord text"><span class="mord textrm">L</span><span class="mspace" style="margin-right:-0.36em;"></span><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span style="top:-2.905em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord"><span class="mord textrm mtight sizing reset-size6 size3">A</span></span></span></span></span></span><span class="mspace" style="margin-right:-0.15em;"></span><span class="mord text"><span class="mord textrm">T</span><span class="mspace" style="margin-right:-0.1667em;"></span><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.4678em;"><span style="top:-2.7845em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord textrm">E</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2155em;"><span></span></span></span></span><span class="mspace" style="margin-right:-0.125em;"></span><span class="mord textrm">X</span></span></span></span></span></span> 数学结构</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table><thead><tr><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mrow><mi>x</mi><mi>y</mi><mi>z</mi></mrow></mfrac></mrow><annotation encoding="application/x-tex">\frac{abc}{xyz}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3612em;vertical-align:-0.4811em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8801em;"><span style="top:-2.655em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">x</span><span class="mord mathnormal mtight" style="margin-right:0.04398em;">yz</span></span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.394em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.4811em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></td><td align="left"><pur><code>\frac{abc}{xyz}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mo stretchy="true">‾</mo></mover></mrow><annotation encoding="application/x-tex">\overline{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8944em;"></span><span class="mord overline"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span style="top:-3.8144em;"><span class="pstrut" style="height:3em;"></span><span class="overline-line" style="border-bottom-width:0.04em;"></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\overline{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mo stretchy="true">→</mo></mover></mrow><annotation encoding="application/x-tex">\overrightarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2164em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.2164em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.6944em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\overrightarrow{abc}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mi>f</mi><mo mathvariant="normal" lspace="0em" rspace="0em">′</mo></msup></mrow><annotation encoding="application/x-tex">f'</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9463em;vertical-align:-0.1944em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.10764em;">f</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7519em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">′</span></span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>f'</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder accentunder="true"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mo stretchy="true">‾</mo></munder></mrow><annotation encoding="application/x-tex">\underline{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8944em;vertical-align:-0.2em;"></span><span class="mord underline"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-2.84em;"><span class="pstrut" style="height:3em;"></span><span class="underline-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\underline{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mo stretchy="true">←</mo></mover></mrow><annotation encoding="application/x-tex">\overleftarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2164em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.2164em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.6944em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
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-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\overleftarrow{abc}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msqrt><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></msqrt></mrow><annotation encoding="application/x-tex">\sqrt{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.04em;vertical-align:-0.1078em;"></span><span class="mord sqrt"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9322em;"><span class="svg-align" style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style="padding-left:0.833em;"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span style="top:-2.8922em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="min-width:0.853em;height:1.08em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702
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c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54
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M834 80h400000v40h-400000z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.1078em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\sqrt{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mo stretchy="true">^</mo></mover></mrow><annotation encoding="application/x-tex">\widehat{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9944em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.9944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.6944em;"><span class="pstrut" style="height:3em;"></span><span style="height:0.3em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="0.3em" viewBox="0 0 2364 300" preserveAspectRatio="none"><path d="M1181 0h2l1171 176c6 0 10 5 10 11l-2 23c-1 6-5 10
-11 10h-1L1182 67 15 220h-1c-6 0-10-4-11-10l-2-23c-1-6 4-11 10-11z"></path></svg></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\widehat{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mo stretchy="true">⏞</mo></mover></mrow><annotation encoding="application/x-tex">\overbrace{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3424em;"></span><span class="mord mover"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.3424em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.7944em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.548em;min-width:1.6em;"><span class="brace-left" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMinYMin slice"><path d="M6 548l-6-6v-35l6-11c56-104 135.3-181.3 238-232 57.3-28.7 117
-45 179-50h399577v120H403c-43.3 7-81 15-113 26-100.7 33-179.7 91-237 174-2.7
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c-100.7-8.3-195.3-44-280-108-55.3-42-101.7-93-139-153l-9-14c-2.7 4-5.7 8.7-9 14
-53.3 86.7-123.7 153-211 199-66.7 36-137.3 56.3-212 62H0V214h199568c178.3-11.7
311.7-78.3 403-201 6-8 9.7-12 11-12 .7-.7 6.7-1 18-1s17.3.3 18 1c1.3 0 5 4 11
12 44.7 59.3 101.3 106.3 170 141s145.3 54.3 229 60h199572v120z"></path></svg></span><span class="brace-right" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMaxYMin slice"><path d="M400000 542l
-6 6h-17c-12.7 0-19.3-.3-20-1-4-4-7.3-8.3-10-13-35.3-51.3-80.8-93.8-136.5-127.5
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c124.7 8 235 61.7 331 161 31.3 33.3 59.7 72.7 85 118l7 13v35z"></path></svg></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\overbrace{abc}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mroot><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mi>n</mi></mroot></mrow><annotation encoding="application/x-tex">\sqrt[n]{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.04em;vertical-align:-0.1078em;"></span><span class="mord sqrt"><span class="root"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7099em;"><span style="top:-2.9947em;"><span class="pstrut" style="height:2.5em;"></span><span class="sizing reset-size6 size1 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">n</span></span></span></span></span></span></span></span><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9322em;"><span class="svg-align" style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style="padding-left:0.833em;"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span style="top:-2.8922em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="min-width:0.853em;height:1.08em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702
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s-225.272,467,-225.272,467s-235,486,-235,486c-2.7,4.7,-9,7,-19,7
c-6,0,-10,-1,-12,-3s-194,-422,-194,-422s-65,47,-65,47z
M834 80h400000v40h-400000z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.1078em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\sqrt[n]{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mo stretchy="true">~</mo></mover></mrow><annotation encoding="application/x-tex">\widetilde{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9804em;"></span><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.9804em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span><span class="svg-align" style="top:-3.6944em;"><span class="pstrut" style="height:3em;"></span><span style="height:0.286em;"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="0.286em" viewBox="0 0 1033 286" preserveAspectRatio="none"><path d="M344 55.266c-142 0-300.638 81.316-311.5 86.418
-8.01 3.762-22.5 10.91-23.5 5.562L1 120c-1-2-1-3-1-4 0-5 3-9 8-10l18.4-9C160.9
31.9 283 0 358 0c148 0 188 122 331 122s314-97 326-97c4 0 8 2 10 7l7 21.114
c1 2.14 1 3.21 1 4.28 0 5.347-3 9.626-7 10.696l-22.3 12.622C852.6 158.372 751
181.476 676 181.476c-149 0-189-126.21-332-126.21z"></path></svg></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\widetilde{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow><mo stretchy="true">⏟</mo></munder></mrow><annotation encoding="application/x-tex">\underbrace{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3424em;vertical-align:-0.648em;"></span><span class="mord munder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span class="svg-align" style="top:-2.352em;"><span class="pstrut" style="height:3em;"></span><span class="stretchy" style="height:0.548em;min-width:1.6em;"><span class="brace-left" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMinYMin slice"><path d="M0 6l6-6h17c12.688 0 19.313.3 20 1 4 4 7.313 8.3 10 13
35.313 51.3 80.813 93.8 136.5 127.5 55.688 33.7 117.188 55.8 184.5 66.5.688
0 2 .3 4 1 18.688 2.7 76 4.3 172 5h399450v120H429l-6-1c-124.688-8-235-61.7
-331-161C60.687 138.7 32.312 99.3 7 54L0 41V6z"></path></svg></span><span class="brace-center" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMidYMin slice"><path d="M199572 214
c100.7 8.3 195.3 44 280 108 55.3 42 101.7 93 139 153l9 14c2.7-4 5.7-8.7 9-14
53.3-86.7 123.7-153 211-199 66.7-36 137.3-56.3 212-62h199568v120H200432c-178.3
11.7-311.7 78.3-403 201-6 8-9.7 12-11 12-.7.7-6.7 1-18 1s-17.3-.3-18-1c-1.3 0
-5-4-11-12-44.7-59.3-101.3-106.3-170-141s-145.3-54.3-229-60H0V214z"></path></svg></span><span class="brace-right" style="height:0.548em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.548em" viewBox="0 0 400000 548" preserveAspectRatio="xMaxYMin slice"><path d="M399994 0l6 6v35l-6 11c-56 104-135.3 181.3-238 232-57.3
28.7-117 45-179 50H-300V214h399897c43.3-7 81-15 113-26 100.7-33 179.7-91 237
-174 2.7-5 6-9 10-13 .7-1 7.3-1 20-1h17z"></path></svg></span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">ab</span><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.648em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\underbrace{abc}</code></pur></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="分隔符"><a aria-hidden="true" tabindex="-1" href="#分隔符"><span class="icon icon-link"></span></a>分隔符</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table class="show-header left-align"><thead><tr><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">(</mo><mo stretchy="false">)</mo></mrow><annotation encoding="application/x-tex">()</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">(</span><span class="mclose">)</span></span></span></span></td><td align="left"><pur><code>()</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">(</mo><mo stretchy="false">)</mo></mrow><annotation encoding="application/x-tex">\lparen \rparen</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">(</span><span class="mclose">)</span></span></span></span></td><td align="left"><pur><code>\lparen</code> <code>\rparen</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⌈</mo><mo stretchy="false">⌉</mo></mrow><annotation encoding="application/x-tex">⌈ ⌉</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">⌈</span><span class="mclose">⌉</span></span></span></span></td><td align="left"><pur><code>⌈ ⌉</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⌈</mo><mo stretchy="false">⌉</mo></mrow><annotation encoding="application/x-tex">\lceil \rceil</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">⌈</span><span class="mclose">⌉</span></span></span></span></td><td align="left"><pur><code>\lceil</code> <code>\rceil</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↑</mo></mrow><annotation encoding="application/x-tex">\uparrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↑</span></span></span></span></td><td align="left"><pur><code>\uparrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">[</mo><mo stretchy="false">]</mo></mrow><annotation encoding="application/x-tex">[]</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">[</span><span class="mclose">]</span></span></span></span></td><td align="left"><pur><code>[]</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">[</mo><mo stretchy="false">]</mo></mrow><annotation encoding="application/x-tex">\lbrack \rbrack</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">[</span><span class="mclose">]</span></span></span></span></td><td align="left"><pur><code>\lbrack</code> <code>\rbrack</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⌊</mo><mo stretchy="false">⌋</mo></mrow><annotation encoding="application/x-tex">⌊ ⌋</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">⌊</span><span class="mclose">⌋</span></span></span></span></td><td align="left"><pur><code>⌊ ⌋</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⌊</mo><mo stretchy="false">⌋</mo></mrow><annotation encoding="application/x-tex">\lfloor \rfloor</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">⌊</span><span class="mclose">⌋</span></span></span></span></td><td align="left"><pur><code>\lfloor</code> <code>\rfloor</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↓</mo></mrow><annotation encoding="application/x-tex">\downarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↓</span></span></span></span></td><td align="left"><pur><code>\downarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">{</mo><mo stretchy="false">}</mo></mrow><annotation encoding="application/x-tex">\{ \}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">{</span><span class="mclose">}</span></span></span></span></td><td align="left"><pur><code>{}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">{</mo><mo stretchy="false">}</mo></mrow><annotation encoding="application/x-tex">\lbrace \rbrace</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">{</span><span class="mclose">}</span></span></span></span></td><td align="left"><pur><code>\lbrace</code> <code>\rbrace</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⎰</mo><mo stretchy="false">⎱</mo></mrow><annotation encoding="application/x-tex">⎰⎱</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.989em;vertical-align:-0.244em;"></span><span class="mopen">⎰</span><span class="mclose">⎱</span></span></span></span></td><td align="left"><pur><code>⎰⎱</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⎰</mo><mo stretchy="false">⎱</mo></mrow><annotation encoding="application/x-tex">\lmoustache \rmoustache</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.989em;vertical-align:-0.244em;"></span><span class="mopen">⎰</span><span class="mclose">⎱</span></span></span></span></td><td align="left"><pur><code>\lmoustache</code> <code>\rmoustache</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↕</mo></mrow><annotation encoding="application/x-tex">\updownarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">↕</span></span></span></span></td><td align="left"><pur><code>\updownarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⟨</mo><mo stretchy="false">⟩</mo></mrow><annotation encoding="application/x-tex">⟨ ⟩</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">⟨</span><span class="mclose">⟩</span></span></span></span></td><td align="left"><pur><code>⟨⟩</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⟨</mo><mo stretchy="false">⟩</mo></mrow><annotation encoding="application/x-tex">\langle \rangle</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">⟨</span><span class="mclose">⟩</span></span></span></span></td><td align="left"><pur><code>\langle</code> <code>\rangle</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⟮</mo><mo stretchy="false">⟯</mo></mrow><annotation encoding="application/x-tex">⟮ ⟯</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.989em;vertical-align:-0.244em;"></span><span class="mopen">⟮</span><span class="mclose">⟯</span></span></span></span></td><td align="left"><pur><code>⟮ ⟯</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⟮</mo><mo stretchy="false">⟯</mo></mrow><annotation encoding="application/x-tex">\lgroup \rgroup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.989em;vertical-align:-0.244em;"></span><span class="mopen">⟮</span><span class="mclose">⟯</span></span></span></span></td><td align="left"><pur><code>\lgroup</code> <code>\rgroup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇑</mo></mrow><annotation encoding="application/x-tex">\Uparrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">⇑</span></span></span></span></td><td align="left"><pur><code>\Uparrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∣</mo></mrow><annotation encoding="application/x-tex">∣</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">∣</span></span></span></span></td><td align="left"><pur><code>|</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∣</mi></mrow><annotation encoding="application/x-tex">\vert</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord">∣</span></span></span></span></td><td align="left"><pur><code>\vert</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">┌</mo><mo stretchy="false">┐</mo></mrow><annotation encoding="application/x-tex">┌ ┐</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mopen amsrm">┌</span><span class="mclose amsrm">┐</span></span></span></span></td><td align="left"><pur><code>┌ ┐</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">⌜</mi></mo><mo><mi mathvariant="normal">⌝</mi></mo></mrow><annotation encoding="application/x-tex">\ulcorner \urcorner</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mopen amsrm">┌</span><span class="mclose amsrm">┐</span></span></span></span></td><td align="left"><pur><code>\ulcorner</code> <code>\urcorner</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇓</mo></mrow><annotation encoding="application/x-tex">\Downarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">⇓</span></span></span></span></td><td align="left"><pur><code>\Downarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∣</mi></mrow><annotation encoding="application/x-tex">|</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord">∣</span></span></span></span> <em>(<red>MD语法冲突</red>)</em></td><td align="left"><pur><code>\|</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∥</mi></mrow><annotation encoding="application/x-tex">\Vert</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord">∥</span></span></span></span></td><td align="left"><pur><code>\Vert</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">└</mo><mo stretchy="false">┘</mo></mrow><annotation encoding="application/x-tex">└ ┘</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3779em;"></span><span class="mopen amsrm">└</span><span class="mclose amsrm">┘</span></span></span></span></td><td align="left"><pur><code>└ ┘</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">⌞</mi></mo><mo><mi mathvariant="normal">⌟</mi></mo></mrow><annotation encoding="application/x-tex">\llcorner \lrcorner</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3779em;"></span><span class="mopen amsrm">└</span><span class="mclose amsrm">┘</span></span></span></span></td><td align="left"><pur><code>\llcorner</code> <code>\lrcorner</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇕</mo></mrow><annotation encoding="application/x-tex">\Updownarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">⇕</span></span></span></span></td><td align="left"><pur><code>\Updownarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∣</mo><mo>∣</mo></mrow><annotation encoding="application/x-tex">∣ ∣</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">∣∣</span></span></span></span></td><td align="left"><pur><code>\lvert</code> <code>\rvert</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">∥</mo><mo stretchy="false">∥</mo></mrow><annotation encoding="application/x-tex">\lVert \rVert</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">∥</span><span class="mclose">∥</span></span></span></span></td><td align="left"><pur><code>\lVert</code> <code>\rVert</code></pur></td><td align="left"></td><td align="left"><pur><code>\left.</code></pur></td><td align="left"></td><td align="left"><pur><code>\right.</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">\</mi></mrow><annotation encoding="application/x-tex">\backslash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord">\</span></span></span></span></td><td align="left"><pur><code>\backslash</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⟨</mo></mrow><annotation encoding="application/x-tex">\lang</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">⟨</span></span></span></span> <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">⟩</mo></mrow><annotation encoding="application/x-tex">\rang</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mclose">⟩</span></span></span></span></td><td align="left"><pur><code>\lang</code> <code>\rang</code><pur></pur></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>&#x3C;</mo><mo>></mo></mrow><annotation encoding="application/x-tex">\lt \gt</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">&#x3C;></span></span></span></span></td><td align="left"><pur><code>\lt \gt</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal" lspace="0em" rspace="0em">⟦</mo><mo mathvariant="normal" lspace="0em" rspace="0em">⟧</mo></mrow><annotation encoding="application/x-tex">⟦ ⟧</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen"><span class="mopen">[</span><span class="mspace" style="margin-right:-0.1778em;"></span><span class="mopen">[</span></span><span class="mclose"><span class="mclose">]</span><span class="mspace" style="margin-right:-0.1778em;"></span><span class="mclose">]</span></span></span></span></span></td><td align="left"><pur><code>⟦ ⟧</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal" lspace="0em" rspace="0em">⟦</mo><mo mathvariant="normal" lspace="0em" rspace="0em">⟧</mo></mrow><annotation encoding="application/x-tex">\llbracket \rrbracket</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen"><span class="mopen">[</span><span class="mspace" style="margin-right:-0.1778em;"></span><span class="mopen">[</span></span><span class="mclose"><span class="mclose">]</span><span class="mspace" style="margin-right:-0.1778em;"></span><span class="mclose">]</span></span></span></span></span></td><td align="left"><pur><code>\llbracket</code> <code>\rrbracket</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal" lspace="0em" rspace="0em">⦃</mo><mo mathvariant="normal" lspace="0em" rspace="0em">⦄</mo></mrow><annotation encoding="application/x-tex">\lBrace \rBrace</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen"><span class="mopen">{</span><span class="mspace" style="margin-right:-0.1778em;"></span><span class="mopen">[</span></span><span class="mclose"><span class="mclose">]</span><span class="mspace" style="margin-right:-0.1778em;"></span><span class="mclose">}</span></span></span></span></span></td><td align="left"><pur><code>\lBrace \rBrace</code></pur></td></tr></tbody></table>
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<p>可以使用一对表达式 <code>\left</code> <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>s</mi><mn>1</mn></msub></mrow><annotation encoding="application/x-tex">s_1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5806em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal">s</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3011em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 和 <code>\right</code> <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>s</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">s_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5806em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal">s</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3011em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 来将分隔符 <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>s</mi><mn>1</mn></msub></mrow><annotation encoding="application/x-tex">s_1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5806em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal">s</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3011em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 和 <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>s</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">s_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5806em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal">s</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3011em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 的高度与其内容的高度进行匹配，例如:</p>
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex-error" title="ParseError: KaTeX parse error: Expected &#x27;\right&#x27;, got &#x27;EOF&#x27; at end of input: \left|" style="color:#cc0000">\left|</span></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>e</mi><mi>x</mi><mi>p</mi><mi>r</mi></mrow><annotation encoding="application/x-tex">expr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">e</span><span class="mord mathnormal">x</span><span class="mord mathnormal">p</span><span class="mord mathnormal" style="margin-right:0.02778em;">r</span></span></span></span></td><td align="left"><span class="katex-error" title="ParseError: KaTeX parse error: Expected &#x27;EOF&#x27;, got &#x27;\right&#x27; at position 1: \̲r̲i̲g̲h̲t̲|" style="color:#cc0000">\right|</span></td><td align="left"></td><td align="left"><span class="katex-error" title="ParseError: KaTeX parse error: Expected &#x27;\right&#x27;, got &#x27;EOF&#x27; at end of input: \left\{" style="color:#cc0000">\left\{</span></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>e</mi><mi>x</mi><mi>p</mi><mi>r</mi></mrow><annotation encoding="application/x-tex">expr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">e</span><span class="mord mathnormal">x</span><span class="mord mathnormal">p</span><span class="mord mathnormal" style="margin-right:0.02778em;">r</span></span></span></span></td><td align="left"><span class="katex-error" title="ParseError: KaTeX parse error: Expected &#x27;EOF&#x27;, got &#x27;\right&#x27; at position 1: \̲r̲i̲g̲h̲t̲\}" style="color:#cc0000">\right\}</span></td><td align="left"></td><td align="left"><span class="katex-error" title="ParseError: KaTeX parse error: Expected &#x27;\right&#x27;, got &#x27;EOF&#x27; at end of input: \left\Vert" style="color:#cc0000">\left\Vert</span></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>e</mi><mi>x</mi><mi>p</mi><mi>r</mi></mrow><annotation encoding="application/x-tex">expr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">e</span><span class="mord mathnormal">x</span><span class="mord mathnormal">p</span><span class="mord mathnormal" style="margin-right:0.02778em;">r</span></span></span></span></td><td align="left"><span class="katex-error" title="ParseError: KaTeX parse error: Expected &#x27;EOF&#x27;, got &#x27;\right&#x27; at position 1: \̲r̲i̲g̲h̲t̲." style="color:#cc0000">\right.</span></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="可变大小的符号"><a aria-hidden="true" tabindex="-1" href="#可变大小的符号"><span class="icon icon-link"></span></a>可变大小的符号</h3><div class="wrap-body">
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<table class="show-header left-align"><thead><tr><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∑</mo></mrow><annotation encoding="application/x-tex">\sum</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">∑</span></span></span></span></td><td align="left"><pur><code>\sum</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∫</mo></mrow><annotation encoding="application/x-tex">\int</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1111em;vertical-align:-0.3061em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0006em;">∫</span></span></span></span></td><td align="left"><pur><code>\int</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨄</mo></mrow><annotation encoding="application/x-tex">\biguplus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨄</span></span></span></span></td><td align="left"><pur><code>\biguplus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨁</mo></mrow><annotation encoding="application/x-tex">\bigoplus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨁</span></span></span></span></td><td align="left"><pur><code>\bigoplus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋁</mo></mrow><annotation encoding="application/x-tex">\bigvee</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⋁</span></span></span></span></td><td align="left"><pur><code>\bigvee</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∏</mo></mrow><annotation encoding="application/x-tex">\prod</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">∏</span></span></span></span></td><td align="left"><pur><code>\prod</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∮</mo></mrow><annotation encoding="application/x-tex">\oint</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1111em;vertical-align:-0.3061em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0006em;">∮</span></span></span></span></td><td align="left"><pur><code>\oint</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋂</mo></mrow><annotation encoding="application/x-tex">\bigcap</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⋂</span></span></span></span></td><td align="left"><pur><code>\bigcap</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨂</mo></mrow><annotation encoding="application/x-tex">\bigotimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨂</span></span></span></span></td><td align="left"><pur><code>\bigotimes</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋀</mo></mrow><annotation encoding="application/x-tex">\bigwedge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⋀</span></span></span></span></td><td align="left"><pur><code>\bigwedge</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∐</mo></mrow><annotation encoding="application/x-tex">\coprod</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">∐</span></span></span></span></td><td align="left"><pur><code>\coprod</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∬</mo></mrow><annotation encoding="application/x-tex">\iint</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.111em;vertical-align:-0.306em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0005em;">∬</span></span></span></span></td><td align="left"><pur><code>\iint</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋃</mo></mrow><annotation encoding="application/x-tex">\bigcup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⋃</span></span></span></span></td><td align="left"><pur><code>\bigcup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨀</mo></mrow><annotation encoding="application/x-tex">\bigodot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨀</span></span></span></span></td><td align="left"><pur><code>\bigodot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨀</mo></mrow><annotation encoding="application/x-tex">\bigodot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨀</span></span></span></span></td><td align="left"><pur><code>\bigodot</code></pur></td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="标准函数名称"><a aria-hidden="true" tabindex="-1" href="#标准函数名称"><span class="icon icon-link"></span></a>标准函数名称</h3><div class="wrap-body">
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<table class="show-header left-align"><thead><tr><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th><th align="left">预览</th><th align="left">方法</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arccos</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arccos</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">arccos</span></span></span></span></td><td align="left"><pur><code>\arccos</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arcsin</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arcsin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mop">arcsin</span></span></span></span></td><td align="left"><pur><code>\arcsin</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arcsin</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arcsin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mop">arcsin</span></span></span></span></td><td align="left"><pur><code>\arcsin</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mop">ar<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\arg</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cos</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cos</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">cos</span></span></span></span></td><td align="left"><pur><code>\cos</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cosh</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cosh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">cosh</span></span></span></span></td><td align="left"><pur><code>\cosh</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cot</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6151em;"></span><span class="mop">cot</span></span></span></span></td><td align="left"><pur><code>\cot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>coth</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\coth</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">coth</span></span></span></span></td><td align="left"><pur><code>\coth</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>csc</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\csc</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">csc</span></span></span></span></td><td align="left"><pur><code>\csc</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>deg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\deg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop">de<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\deg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>det</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\det</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">det</span></span></span></span></td><td align="left"><pur><code>\det</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>dim</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\dim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">dim</span></span></span></span></td><td align="left"><pur><code>\dim</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>exp</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\exp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mop">exp</span></span></span></span></td><td align="left"><pur><code>\exp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>gcd</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\gcd</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop"><span style="margin-right:0.01389em;">g</span>cd</span></span></span></span></td><td align="left"><pur><code>\gcd</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>hom</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\hom</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">hom</span></span></span></span></td><td align="left"><pur><code>\hom</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>inf</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\inf</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">in<span style="margin-right:0.07778em;">f</span></span></span></span></span></td><td align="left"><pur><code>\inf</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ker</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\ker</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">ker</span></span></span></span></td><td align="left"><pur><code>\ker</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>lg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\lg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop">l<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\lg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>lim</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\lim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">lim</span></span></span></span></td><td align="left"><pur><code>\lim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">lim inf</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\liminf</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop"><span class="mord mathrm">lim</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm" style="margin-right:0.07778em;">inf</span></span></span></span></span></td><td align="left"><pur><code>\liminf</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">lim sup</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\limsup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop"><span class="mord mathrm">lim</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm">sup</span></span></span></span></span></td><td align="left"><pur><code>\limsup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ln</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\ln</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">ln</span></span></span></span></td><td align="left"><pur><code>\ln</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>log</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\log</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop">lo<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\log</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>max</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\max</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">max</span></span></span></span></td><td align="left"><pur><code>\max</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>min</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\min</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mop">min</span></span></span></span></td><td align="left"><pur><code>\min</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Pr</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\Pr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mop">Pr</span></span></span></span></td><td align="left"><pur><code>\Pr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sec</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sec</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">sec</span></span></span></span></td><td align="left"><pur><code>\sec</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sin</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mop">sin</span></span></span></span></td><td align="left"><pur><code>\sin</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sinh</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sinh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">sinh</span></span></span></span></td><td align="left"><pur><code>\sinh</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sup</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mop">sup</span></span></span></span></td><td align="left"><pur><code>\sup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>tan</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\tan</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6151em;"></span><span class="mop">tan</span></span></span></span></td><td align="left"><pur><code>\tan</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>tanh</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\tanh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">tanh</span></span></span></span></td><td align="left"><pur><code>\tanh</code></pur></td></tr></tbody></table>
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<p>函数名应该用罗马字体，而不是斜体，例如:</p>
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left">Correct:</td><td align="left"><pur><code>\tan(at-n\pi)</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>→</mo></mrow><annotation encoding="application/x-tex">\rightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">→</span></span></span></span></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>tan</mi><mo>⁡</mo><mo stretchy="false">(</mo><mi>a</mi><mi>t</mi><mo>−</mo><mi>n</mi><mi>π</mi><mo stretchy="false">)</mo></mrow><annotation encoding="application/x-tex">\tan(at-n\pi)</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop">tan</span><span class="mopen">(</span><span class="mord mathnormal">a</span><span class="mord mathnormal">t</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">−</span><span class="mspace" style="margin-right:0.2222em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">nπ</span><span class="mclose">)</span></span></span></span></td></tr><tr><td align="left">Incorrect:</td><td align="left"><pur><code>tan(at-n\pi)</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>→</mo></mrow><annotation encoding="application/x-tex">\rightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">→</span></span></span></span></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>t</mi><mi>a</mi><mi>n</mi><mo stretchy="false">(</mo><mi>a</mi><mi>t</mi><mo>−</mo><mi>n</mi><mi>π</mi><mo stretchy="false">)</mo></mrow><annotation encoding="application/x-tex">tan(at-n\pi)</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal">t</span><span class="mord mathnormal">an</span><span class="mopen">(</span><span class="mord mathnormal">a</span><span class="mord mathnormal">t</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">−</span><span class="mspace" style="margin-right:0.2222em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">nπ</span><span class="mclose">)</span></span></span></span></td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="逻辑与集合论"><a aria-hidden="true" tabindex="-1" href="#逻辑与集合论"><span class="icon icon-link"></span></a>逻辑与集合论</h3><div class="wrap-body">
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<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∀</mi></mrow><annotation encoding="application/x-tex">\forall</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">∀</span></span></span></span></td><td align="left"><pur><code>\forall</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∁</mi></mrow><annotation encoding="application/x-tex">\complement</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.825em;"></span><span class="mord amsrm">∁</span></span></span></span></td><td align="left"><pur><code>\complement</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∴</mo></mrow><annotation encoding="application/x-tex">\therefore</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">∴</span></span></span></span></td><td align="left"><pur><code>\therefore</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∅</mi></mrow><annotation encoding="application/x-tex">\emptyset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8056em;vertical-align:-0.0556em;"></span><span class="mord">∅</span></span></span></span></td><td align="left"><pur><code>\emptyset</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∃</mi></mrow><annotation encoding="application/x-tex">\exists</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">∃</span></span></span></span></td><td align="left"><pur><code>\exists</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊂</mo></mrow><annotation encoding="application/x-tex">\subset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">⊂</span></span></span></span></td><td align="left"><pur><code>\subset</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∵</mo></mrow><annotation encoding="application/x-tex">\because</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">∵</span></span></span></span></td><td align="left"><pur><code>\because</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∅</mi></mrow><annotation encoding="application/x-tex">\empty</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8056em;vertical-align:-0.0556em;"></span><span class="mord">∅</span></span></span></span></td><td align="left"><pur><code>\empty</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∃</mi></mrow><annotation encoding="application/x-tex">\exist</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">∃</span></span></span></span></td><td align="left"><pur><code>\exist</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊃</mo></mrow><annotation encoding="application/x-tex">\supset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">⊃</span></span></span></span></td><td align="left"><pur><code>\supset</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↦</mo></mrow><annotation encoding="application/x-tex">\mapsto</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.522em;vertical-align:-0.011em;"></span><span class="mrel">↦</span></span></span></span></td><td align="left"><pur><code>\mapsto</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∅</mi></mrow><annotation encoding="application/x-tex">\varnothing</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mord amsrm">∅</span></span></span></span></td><td align="left"><pur><code>\varnothing</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∄</mi></mrow><annotation encoding="application/x-tex">\nexists</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">∄</span></span></span></span></td><td align="left"><pur><code>\nexists</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∣</mo></mrow><annotation encoding="application/x-tex">\mid</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">∣</span></span></span></span></td><td align="left"><pur><code>\mid</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>→</mo></mrow><annotation encoding="application/x-tex">\to</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">→</span></span></span></span></td><td align="left"><pur><code>\to</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>  </mtext><mo>⟹</mo><mtext>  </mtext></mrow><annotation encoding="application/x-tex">\implies</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">⟹</span><span class="mspace" style="margin-right:0.2778em;"></span></span></span></span></td><td align="left"><pur><code>\implies</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∈</mo></mrow><annotation encoding="application/x-tex">\in</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">∈</span></span></span></span></td><td align="left"><pur><code>\in</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∧</mo></mrow><annotation encoding="application/x-tex">\land</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">∧</span></span></span></span></td><td align="left"><pur><code>\land</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>←</mo></mrow><annotation encoding="application/x-tex">\gets</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">←</span></span></span></span></td><td align="left"><pur><code>\gets</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>  </mtext><mo>⟸</mo><mtext>  </mtext></mrow><annotation encoding="application/x-tex">\impliedby</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">⟸</span><span class="mspace" style="margin-right:0.2778em;"></span></span></span></span></td><td align="left"><pur><code>\impliedby</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∈</mo></mrow><annotation encoding="application/x-tex">\isin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">∈</span></span></span></span></td><td align="left"><pur><code>\isin</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∨</mo></mrow><annotation encoding="application/x-tex">\lor</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">∨</span></span></span></span></td><td align="left"><pur><code>\lor</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↔</mo></mrow><annotation encoding="application/x-tex">\leftrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">↔</span></span></span></span></td><td align="left"><pur><code>\leftrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>  </mtext><mo>⟺</mo><mtext>  </mtext></mrow><annotation encoding="application/x-tex">\iff</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">⟺</span><span class="mspace" style="margin-right:0.2778em;"></span></span></span></span></td><td align="left"><pur><code>\iff</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal">∉</mo></mrow><annotation encoding="application/x-tex">\notin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel"><span class="mord"><span class="mrel">∈</span></span><span class="mord vbox"><span class="thinbox"><span class="llap"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="inner"><span class="mord"><span class="mord">/</span><span class="mspace" style="margin-right:0.0556em;"></span></span></span><span class="fix"></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\notin</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∋</mo></mrow><annotation encoding="application/x-tex">\ni</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">∋</span></span></span></span></td><td align="left"><pur><code>\ni</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal">∌</mo></mrow><annotation encoding="application/x-tex">\notni</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel"><span class="mord vbox"><span class="thinbox"><span class="rlap"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="inner"><span class="mord"><span class="mrel"></span></span></span><span class="fix"></span></span></span></span></span></span><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">∋</span></span></span></span></td><td align="left"><pur><code>\notni</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">¬</mi></mrow><annotation encoding="application/x-tex">\neg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord">¬</span></span></span></span> <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">¬</mi></mrow><annotation encoding="application/x-tex">\lnot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord">¬</span></span></span></span></td><td align="left"><pur><code>\neg</code></pur> 或 <pur><code>\lnot</code></pur></td></tr></tbody></table>
<!--rehype:className=left-align-->
<hr>
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">{</mo><mtext> </mtext><mi>x</mi><mtext>  </mtext><mo fence="true" lspace="0.05em" rspace="0.05em">|</mo><mtext>  </mtext><mi>x</mi><mo>&#x3C;</mo><mfrac><mn>1</mn><mn>2</mn></mfrac><mtext> </mtext><mo fence="true">}</mo></mrow><annotation encoding="application/x-tex">\Set{ x | x&#x3C;\frac 1 2 }</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2em;vertical-align:-0.35em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size1">{</span></span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">x</span><span class="mspace" style="margin-right:0.2778em;"></span><span><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.85em;"><span style="top:-2.85em;"><span class="pstrut" style="height:3.2em;"></span><span style="width:0.333em;height:1.200em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.333em" height="1.200em" viewBox="0 0 333 1200"><path d="M145 15 v585 v0 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v0 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v0 v585 h43z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.35em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal">x</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">&#x3C;</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8451em;"><span style="top:-2.655em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">2</span></span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.394em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">1</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size1">}</span></span></span></span></span></span></td><td align="left"><pur>\Set{ x | x&#x3C;\frac 1 2 }</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">{</mo><mtext> </mtext><mi>x</mi><mo>∣</mo><mi>x</mi><mo>&#x3C;</mo><mn>5</mn><mtext> </mtext><mo stretchy="false">}</mo></mrow><annotation encoding="application/x-tex">\set{x|x&#x3C;5}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">{</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathnormal">x</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">∣</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mord mathnormal">x</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">&#x3C;</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord">5</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mclose">}</span></span></span></span></td><td align="left"><pur>\set{x|x&#x3C;5}</pur></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="宏指令"><a aria-hidden="true" tabindex="-1" href="#宏指令"><span class="icon icon-link"></span></a>宏指令</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mi>x</mi><mn>2</mn></msup><mo>+</mo><msup><mi>x</mi><mn>2</mn></msup></mrow><annotation encoding="application/x-tex">\def\foo{x^2} \foo + \foo</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8974em;vertical-align:-0.0833em;"></span><span class="mord"><span class="mord mathnormal">x</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8141em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span></span><span class="base"><span class="strut" style="height:0.8141em;"></span><span class="mord"><span class="mord mathnormal">x</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8141em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur>\def\foo{x^2} \foo + \foo</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mi>y</mi><mn>2</mn></msup><mo>+</mo><msup><mi>y</mi><mn>2</mn></msup></mrow><annotation encoding="application/x-tex">\gdef\bar#1{#1^2} \bar{y} + \bar{y}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0085em;vertical-align:-0.1944em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.03588em;">y</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8141em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span></span><span class="base"><span class="strut" style="height:1.0085em;vertical-align:-0.1944em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.03588em;">y</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8141em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur>\gdef\bar#1{#1^2} \bar{y} + \bar{y}</pur></td></tr></tbody></table>
<!--rehype:className=left-align-->
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="特殊符号"><a aria-hidden="true" tabindex="-1" href="#特殊符号"><span class="icon icon-link"></span></a>特殊符号</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mpadded><mo stretchy="false">⟨</mo><mi>ϕ</mi><mi mathvariant="normal">∣</mi></mpadded></mrow><annotation encoding="application/x-tex">\bra{\phi}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="minner"><span class="mopen">⟨</span><span class="mord"><span class="mord mathnormal">ϕ</span></span><span class="mord">∣</span></span></span></span></span></td><td align="left"><pur>\bra{\phi}</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mpadded><mi mathvariant="normal">∣</mi><mi>ψ</mi><mo stretchy="false">⟩</mo></mpadded></mrow><annotation encoding="application/x-tex">\ket{\psi}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="minner"><span class="mord">∣</span><span class="mord"><span class="mord mathnormal" style="margin-right:0.03588em;">ψ</span></span><span class="mclose">⟩</span></span></span></span></span></td><td align="left"><pur>\ket{\psi}</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mpadded><mo stretchy="false">⟨</mo><mrow><mi>ϕ</mi><mi mathvariant="normal">∣</mi><mi>ψ</mi></mrow><mo stretchy="false">⟩</mo></mpadded></mrow><annotation encoding="application/x-tex">\braket{\phi|\psi}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="minner"><span class="mopen">⟨</span><span class="mord"><span class="mord mathnormal">ϕ</span><span class="mord">∣</span><span class="mord mathnormal" style="margin-right:0.03588em;">ψ</span></span><span class="mclose">⟩</span></span></span></span></span></td><td align="left"><pur><code>\braket{\phi|\psi}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">⟨</mo><mi>ϕ</mi><mo fence="true">∣</mo></mrow><annotation encoding="application/x-tex">\Bra{\phi}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;">⟨</span><span class="mord mathnormal">ϕ</span><span class="mclose delimcenter" style="top:0em;">∣</span></span></span></span></span></td><td align="left"><pur>\Bra{\phi}</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">∣</mo><mi>ψ</mi><mo fence="true">⟩</mo></mrow><annotation encoding="application/x-tex">\Ket{\psi}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;">∣</span><span class="mord mathnormal" style="margin-right:0.03588em;">ψ</span><span class="mclose delimcenter" style="top:0em;">⟩</span></span></span></span></span></td><td align="left"><pur>\Ket{\psi}</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">⟨</mo><mi>ϕ</mi><mtext> </mtext><mo fence="true" lspace="0.05em" rspace="0.05em">|</mo><mtext> </mtext><mfrac><msup><mi mathvariant="normal">∂</mi><mn>2</mn></msup><mrow><mi mathvariant="normal">∂</mi><msup><mi>t</mi><mn>2</mn></msup></mrow></mfrac><mtext> </mtext><mo fence="true" lspace="0.05em" rspace="0.05em">|</mo><mtext> </mtext><mi>ψ</mi><mo fence="true">⟩</mo></mrow><annotation encoding="application/x-tex">\Braket{ ϕ | \frac{∂^2}{∂ t^2} | ψ }</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.8em;vertical-align:-0.65em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size2">⟨</span></span><span class="mord mathnormal">ϕ</span><span class="mspace" style="margin-right:0.1667em;"></span><span><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.15em;"><span style="top:-3.15em;"><span class="pstrut" style="height:3.8em;"></span><span style="width:0.333em;height:1.800em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.333em" height="1.800em" viewBox="0 0 333 1800"><path d="M145 15 v585 v600 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v-600 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v600 v585 h43z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.65em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.0179em;"><span style="top:-2.655em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight" style="margin-right:0.05556em;">∂</span><span class="mord mtight"><span class="mord mathnormal mtight">t</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7463em;"><span style="top:-2.786em;margin-right:0.0714em;"><span class="pstrut" style="height:2.5em;"></span><span class="sizing reset-size3 size1 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span></span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.394em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight"><span class="mord mtight" style="margin-right:0.05556em;">∂</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8913em;"><span style="top:-2.931em;margin-right:0.0714em;"><span class="pstrut" style="height:2.5em;"></span><span class="sizing reset-size3 size1 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.15em;"><span style="top:-3.15em;"><span class="pstrut" style="height:3.8em;"></span><span style="width:0.333em;height:1.800em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.333em" height="1.800em" viewBox="0 0 333 1800"><path d="M145 15 v585 v600 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v-600 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v600 v585 h43z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.65em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">ψ</span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size2">⟩</span></span></span></span></span></span></td><td align="left"><pur><code>\Braket{ ϕ | \frac{∂^2}{∂ t^2} | ψ }</code></pur></td></tr></tbody></table>
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</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="运算符"><a aria-hidden="true" tabindex="-1" href="#运算符"><span class="icon icon-link"></span></a>运算符</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist col-span-3 row-span-2"><div class="wrap-header h3wrap"><h3 id="数学运算符"><a aria-hidden="true" tabindex="-1" href="#数学运算符"><span class="icon icon-link"></span></a>数学运算符</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3 row-span-2-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arcsin</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arcsin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mop">arcsin</span></span></span></span></td><td align="left"><pur><code>\arcsin</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cosec</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cosec</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">cosec</span></span></span></span></td><td align="left"><pur><code>\cosec</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>deg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\deg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop">de<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\deg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sec</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sec</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">sec</span></span></span></span></td><td align="left"><pur><code>\sec</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arccos</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arccos</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">arccos</span></span></span></span></td><td align="left"><pur><code>\arccos</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cosh</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cosh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">cosh</span></span></span></span></td><td align="left"><pur><code>\cosh</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>dim</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\dim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">dim</span></span></span></span></td><td align="left"><pur><code>\dim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sin</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mop">sin</span></span></span></span></td><td align="left"><pur><code>\sin</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arctan</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arctan</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6151em;"></span><span class="mop">arctan</span></span></span></span></td><td align="left"><pur><code>\arctan</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cot</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6151em;"></span><span class="mop">cot</span></span></span></span></td><td align="left"><pur><code>\cot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>exp</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\exp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mop">exp</span></span></span></span></td><td align="left"><pur><code>\exp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sinh</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sinh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">sinh</span></span></span></span></td><td align="left"><pur><code>\sinh</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arctg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arctg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8095em;vertical-align:-0.1944em;"></span><span class="mop">arct<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\arctg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cotg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cotg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8095em;vertical-align:-0.1944em;"></span><span class="mop">cot<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\cotg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>hom</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\hom</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">hom</span></span></span></span></td><td align="left"><pur><code>\hom</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sh</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">sh</span></span></span></span></td><td align="left"><pur><code>\sh</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arcctg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arcctg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8095em;vertical-align:-0.1944em;"></span><span class="mop">arcct<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\arcctg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>coth</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\coth</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">coth</span></span></span></span></td><td align="left"><pur><code>\coth</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ker</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\ker</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">ker</span></span></span></span></td><td align="left"><pur><code>\ker</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>tan</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\tan</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6151em;"></span><span class="mop">tan</span></span></span></span></td><td align="left"><pur><code>\tan</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>arg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\arg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mop">ar<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\arg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>csc</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\csc</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">csc</span></span></span></span></td><td align="left"><pur><code>\csc</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>lg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\lg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop">l<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\lg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>tanh</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\tanh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">tanh</span></span></span></span></td><td align="left"><pur><code>\tanh</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ch</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\ch</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">ch</span></span></span></span></td><td align="left"><pur><code>\ch</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ctg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\ctg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8095em;vertical-align:-0.1944em;"></span><span class="mop">ct<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\ctg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>ln</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\ln</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">ln</span></span></span></span></td><td align="left"><pur><code>\ln</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>tg</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\tg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8095em;vertical-align:-0.1944em;"></span><span class="mop">t<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\tg</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cos</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cos</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">cos</span></span></span></span></td><td align="left"><pur><code>\cos</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>cth</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\cth</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">cth</span></span></span></span></td><td align="left"><pur><code>\cth</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>log</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\log</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop">lo<span style="margin-right:0.01389em;">g</span></span></span></span></span></td><td align="left"><pur><code>\log</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>th</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\th</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">th</span></span></span></span></td><td align="left"><pur><code>\th</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">f</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\operatorname{f}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop"><span class="mord mathrm" style="margin-right:0.07778em;">f</span></span></span></span></span></td><td align="left"><pur><code>\operatorname{f}</code></pur></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">arg max</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\argmax</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mop"><span class="mord mathrm" style="margin-right:0.01389em;">arg</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm">max</span></span></span></span></span></td><td align="left"><pur><code>\argmax</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">inj lim</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\injlim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop"><span class="mord mathrm">inj</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm">lim</span></span></span></span></span></td><td align="left"><pur><code>\injlim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>min</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\min</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;"></span><span class="mop">min</span></span></span></span></td><td align="left"><pur><code>\min</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal"><munder accentunder="true"><mrow><mi mathvariant="normal">l</mi><mi mathvariant="normal">i</mi><mi mathvariant="normal">m</mi></mrow><mo stretchy="true">→</mo></munder></mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\varinjlim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2164em;vertical-align:-0.522em;"></span><span class="mop"><span class="mord accentunder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span class="svg-align" style="top:-2.478em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathrm">lim</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.522em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\varinjlim</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">arg min</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\argmin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8623em;vertical-align:-0.1944em;"></span><span class="mop"><span class="mord mathrm" style="margin-right:0.01389em;">arg</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm">min</span></span></span></span></span></td><td align="left"><pur><code>\argmin</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>lim</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\lim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">lim</span></span></span></span></td><td align="left"><pur><code>\lim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">plim</mi><mo>⁡</mo></mo></mrow><annotation encoding="application/x-tex">\plim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop"><span class="mop"><span class="mord mathrm">plim</span></span></span></span></span></span></td><td align="left"><pur><code>\plim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal"><munder accentunder="true"><mrow><mi mathvariant="normal">l</mi><mi mathvariant="normal">i</mi><mi mathvariant="normal">m</mi></mrow><mo stretchy="true">‾</mo></munder></mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\varliminf</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8944em;vertical-align:-0.2em;"></span><span class="mop"><span class="mord underline"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-2.84em;"><span class="pstrut" style="height:3em;"></span><span class="underline-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathrm">lim</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\varliminf</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>det</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\det</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">det</span></span></span></span></td><td align="left"><pur><code>\det</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">lim inf</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\liminf</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop"><span class="mord mathrm">lim</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm" style="margin-right:0.07778em;">inf</span></span></span></span></span></td><td align="left"><pur><code>\liminf</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Pr</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\Pr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mop">Pr</span></span></span></span></td><td align="left"><pur><code>\Pr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal"><mover accent="true"><mrow><mi mathvariant="normal">l</mi><mi mathvariant="normal">i</mi><mi mathvariant="normal">m</mi></mrow><mo stretchy="true">‾</mo></mover></mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\varlimsup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8944em;"></span><span class="mop"><span class="mord overline"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8944em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathrm">lim</span></span></span><span style="top:-3.8144em;"><span class="pstrut" style="height:3em;"></span><span class="overline-line" style="border-bottom-width:0.04em;"></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\varlimsup</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>gcd</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\gcd</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop"><span style="margin-right:0.01389em;">g</span>cd</span></span></span></span></td><td align="left"><pur><code>\gcd</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">lim sup</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\limsup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop"><span class="mord mathrm">lim</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm">sup</span></span></span></span></span></td><td align="left"><pur><code>\limsup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">proj lim</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\projlim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mop"><span class="mord mathrm">proj</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathrm">lim</span></span></span></span></span></td><td align="left"><pur><code>\projlim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal"><munder accentunder="true"><mrow><mi mathvariant="normal">l</mi><mi mathvariant="normal">i</mi><mi mathvariant="normal">m</mi></mrow><mo stretchy="true">←</mo></munder></mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\varprojlim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2164em;vertical-align:-0.522em;"></span><span class="mop"><span class="mord accentunder"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span class="svg-align" style="top:-2.478em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8
-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathrm">lim</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.522em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\varprojlim</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>inf</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\inf</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop">in<span style="margin-right:0.07778em;">f</span></span></span></span></span></td><td align="left"><pur><code>\inf</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>max</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\max</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mop">max</span></span></span></span></td><td align="left"><pur><code>\max</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>sup</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\sup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mop">sup</span></span></span></span></td><td align="left"><pur><code>\sup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">f</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\operatorname*{f}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop"><span class="mord mathrm" style="margin-right:0.07778em;">f</span></span></span></span></span></td><td align="left"><pur><code>\operatorname*{f}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">f</mi><mo>⁡</mo></mrow><annotation encoding="application/x-tex">\operatornamewithlimits{f}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mop"><span class="mord mathrm" style="margin-right:0.07778em;">f</span></span></span></span></span></td><td align="left"><pur><code>\operatornamewithlimits{f}</code></pur></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td></tr></tbody></table>
<!--rehype:className=left-align-->
</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="大运算符"><a aria-hidden="true" tabindex="-1" href="#大运算符"><span class="icon icon-link"></span></a>大运算符</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-2-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∑</mo></mrow><annotation encoding="application/x-tex">\sum</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">∑</span></span></span></span></td><td align="left"><pur><code>\sum</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∏</mo></mrow><annotation encoding="application/x-tex">\prod</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">∏</span></span></span></span></td><td align="left"><pur><code>\prod</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨂</mo></mrow><annotation encoding="application/x-tex">\bigotimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨂</span></span></span></span></td><td align="left"><pur><code>\bigotimes</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋁</mo></mrow><annotation encoding="application/x-tex">\bigvee</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⋁</span></span></span></span></td><td align="left"><pur><code>\bigvee</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∫</mo></mrow><annotation encoding="application/x-tex">\int</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1111em;vertical-align:-0.3061em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0006em;">∫</span></span></span></span></td><td align="left"><pur><code>\int</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∐</mo></mrow><annotation encoding="application/x-tex">\coprod</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">∐</span></span></span></span></td><td align="left"><pur><code>\coprod</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨁</mo></mrow><annotation encoding="application/x-tex">\bigoplus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨁</span></span></span></span></td><td align="left"><pur><code>\bigoplus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋀</mo></mrow><annotation encoding="application/x-tex">\bigwedge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⋀</span></span></span></span></td><td align="left"><pur><code>\bigwedge</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∬</mo></mrow><annotation encoding="application/x-tex">\iint</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.111em;vertical-align:-0.306em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0005em;">∬</span></span></span></span></td><td align="left"><pur><code>\iint</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∫</mo></mrow><annotation encoding="application/x-tex">\intop</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1111em;vertical-align:-0.3061em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0006em;">∫</span></span></span></span></td><td align="left"><pur><code>\intop</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨀</mo></mrow><annotation encoding="application/x-tex">\bigodot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨀</span></span></span></span></td><td align="left"><pur><code>\bigodot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋂</mo></mrow><annotation encoding="application/x-tex">\bigcap</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⋂</span></span></span></span></td><td align="left"><pur><code>\bigcap</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∭</mo></mrow><annotation encoding="application/x-tex">\iiint</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.111em;vertical-align:-0.306em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0005em;">∭</span></span></span></span></td><td align="left"><pur><code>\iiint</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo largeop="false">∫</mo></mrow><annotation encoding="application/x-tex">\smallint</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1111em;vertical-align:-0.3061em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0006em;">∫</span></span></span></span></td><td align="left"><pur><code>\smallint</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨄</mo></mrow><annotation encoding="application/x-tex">\biguplus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨄</span></span></span></span></td><td align="left"><pur><code>\biguplus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋃</mo></mrow><annotation encoding="application/x-tex">\bigcup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⋃</span></span></span></span></td><td align="left"><pur><code>\bigcup</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∮</mo></mrow><annotation encoding="application/x-tex">\oint</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1111em;vertical-align:-0.3061em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;position:relative;top:-0.0006em;">∮</span></span></span></span></td><td align="left"><pur><code>\oint</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∯</mo></mrow><annotation encoding="application/x-tex">\oiint</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.111em;vertical-align:-0.306em;"></span><span class="mop vlist-t vlist-t2" style="position:relative;top:-0.0005em;"><span class="vlist-r"><span class="vlist" style="height:0.805em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;">∬</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="overlay" style="height:0.499em;width:0.957em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.957em" height="0.499em" style="width:0.957em" viewBox="0 0 957 499" preserveAspectRatio="xMinYMin"><path d="M512.6 71.6c272.6 0 320.3 106.8 320.3 178.2 0 70.8-47.7 177.6
-320.3 177.6S193.1 320.6 193.1 249.8c0-71.4 46.9-178.2 319.5-178.2z
m368.1 178.2c0-86.4-60.9-215.4-368.1-215.4-306.4 0-367.3 129-367.3 215.4 0 85.8
60.9 214.8 367.3 214.8 307.2 0 368.1-129 368.1-214.8z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.306em;"><span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\oiint</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∰</mo></mrow><annotation encoding="application/x-tex">\oiiint</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.111em;vertical-align:-0.306em;"></span><span class="mop vlist-t vlist-t2" style="position:relative;top:-0.0005em;"><span class="vlist-r"><span class="vlist" style="height:0.805em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mop op-symbol small-op" style="margin-right:0.19445em;">∭</span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="overlay" style="height:0.499em;width:1.304em;"><svg xmlns="http://www.w3.org/2000/svg" width="1.304em" height="0.499em" style="width:1.304em" viewBox="0 0 1304 499" preserveAspectRatio="xMinYMin"><path d="M681.4 71.6c408.9 0 480.5 106.8 480.5 178.2 0 70.8-71.6 177.6
-480.5 177.6S202.1 320.6 202.1 249.8c0-71.4 70.5-178.2 479.3-178.2z
m525.8 178.2c0-86.4-86.8-215.4-525.7-215.4-437.9 0-524.7 129-524.7 215.4 0
85.8 86.8 214.8 524.7 214.8 438.9 0 525.7-129 525.7-214.8z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.306em;"><span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\oiiint</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨆</mo></mrow><annotation encoding="application/x-tex">\bigsqcup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mop op-symbol small-op" style="position:relative;top:0em;">⨆</span></span></span></span></td><td align="left"><pur><code>\bigsqcup</code></pur></td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="分数和二项式"><a aria-hidden="true" tabindex="-1" href="#分数和二项式"><span class="icon icon-link"></span></a>分数和二项式</h3><div class="wrap-body">
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<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mi>a</mi><mi>b</mi></mfrac></mrow><annotation encoding="application/x-tex">\frac{a}{b}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0404em;vertical-align:-0.345em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6954em;"><span style="top:-2.655em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">b</span></span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.394em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">a</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></td><td align="left"><pur><code>\frac{a}{b}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mi>a</mi><mi>b</mi></mfrac></mrow><annotation encoding="application/x-tex">\tfrac{a}{b}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0404em;vertical-align:-0.345em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6954em;"><span style="top:-2.655em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">b</span></span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.394em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">a</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></td><td align="left"><pur><code>\tfrac{a}{b}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mi>a</mi><mi>b</mi></mfrac></mrow><annotation encoding="application/x-tex">{a \over b}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0404em;vertical-align:-0.345em;"></span><span class="mord"><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6954em;"><span style="top:-2.655em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">b</span></span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.394em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">a</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></span></td><td align="left"><pur><code>{a \over b}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle displaystyle="true" scriptlevel="0"><mfrac><mi>a</mi><mi>b</mi></mfrac></mstyle></mrow><annotation encoding="application/x-tex">\dfrac{a}{b}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.7936em;vertical-align:-0.686em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1076em;"><span style="top:-2.314em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.677em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.686em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></td><td align="left"><pur><code>\dfrac{a}{b}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">(</mo><mfrac linethickness="0.2em"><mi>a</mi><mrow><mi>a</mi><mo>+</mo><mn>1</mn></mrow></mfrac><mo fence="true">]</mo></mrow><annotation encoding="application/x-tex">\genfrac ( ] {2pt}{1}a{a+1}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.4108em;vertical-align:-0.5594em;"></span><span class="mord"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size1">(</span></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8514em;"><span style="top:-2.4989em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">a</span><span class="mbin mtight">+</span><span class="mord mtight">1</span></span></span></span><span style="top:-3.15em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.2em;"></span></span><span style="top:-3.55em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">a</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.5594em;"><span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size1">]</span></span></span></span></span></span></td><td align="left"><pur><code>\genfrac ( ] {2pt}{1}a{a+1}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac linethickness="0.2em"><mi>a</mi><mrow><mi>b</mi><mo>+</mo><mn>1</mn></mrow></mfrac></mrow><annotation encoding="application/x-tex">{a \above{2pt} b+1}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.4458em;vertical-align:-0.5944em;"></span><span class="mord"><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8514em;"><span style="top:-2.4639em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">b</span><span class="mbin mtight">+</span><span class="mord mtight">1</span></span></span></span><span style="top:-3.15em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.2em;"></span></span><span style="top:-3.55em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">a</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.5944em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></span></td><td align="left"><pur><code>{a \above{2pt} b+1}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>a</mi><mi mathvariant="normal">/</mi><mi>b</mi></mrow><annotation encoding="application/x-tex">a/b</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal">a</span><span class="mord">/</span><span class="mord mathnormal">b</span></span></span></span></td><td align="left"><pur><code>a/b</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle displaystyle="true" scriptlevel="0"><mfrac><mi>a</mi><mrow><mn>1</mn><mo>+</mo><mstyle displaystyle="true" scriptlevel="0"><mfrac><mn>1</mn><mi>b</mi></mfrac></mstyle></mrow></mfrac></mstyle></mrow><annotation encoding="application/x-tex">\cfrac{a}{1 + \cfrac{1}{b}}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:3.756em;vertical-align:-2.166em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.59em;"><span style="top:-2.11em;"><span class="pstrut" style="height:3.59em;"></span><span class="mord"><span class="mord">1</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.59em;"><span style="top:-2.314em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-3.74em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.686em;"><span></span></span></span></span></span><span></span></span></span></span><span style="top:-3.82em;"><span class="pstrut" style="height:3.59em;"></span><span class="frac-line" style="border-bottom-width:0.04em;"></span></span><span style="top:-4.33em;"><span class="pstrut" style="height:3.59em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:2.166em;"><span></span></span></span></span></span><span></span></span></span></span></span></td><td align="left"><pur><code>\cfrac{a}{1 + \cfrac{1}{b}}</code></pur></td></tr></tbody></table>
<!--rehype:className=left-align-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">(</mo><mfrac linethickness="0px"><mi>n</mi><mi>k</mi></mfrac><mo fence="true">)</mo></mrow><annotation encoding="application/x-tex">\binom{n}{k}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2em;vertical-align:-0.35em;"></span><span class="mord"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size1">(</span></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.7454em;"><span style="top:-2.355em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight" style="margin-right:0.03148em;">k</span></span></span></span><span style="top:-3.144em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">n</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size1">)</span></span></span></span></span></span></td><td align="left"><pur><code>\binom{n}{k}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">(</mo><mstyle displaystyle="true" scriptlevel="0"><mfrac linethickness="0px"><mi>n</mi><mi>k</mi></mfrac></mstyle><mo fence="true">)</mo></mrow><annotation encoding="application/x-tex">\dbinom{n}{k}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4em;vertical-align:-0.95em;"></span><span class="mord"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size3">(</span></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1076em;"><span style="top:-2.314em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.03148em;">k</span></span></span><span style="top:-3.677em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">n</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.686em;"><span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size3">)</span></span></span></span></span></span></td><td align="left"><pur><code>\dbinom{n}{k}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">{</mo><mfrac linethickness="0px"><mi>n</mi><mi>k</mi></mfrac><mo fence="true">}</mo></mrow><annotation encoding="application/x-tex">{n\brace k}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2em;vertical-align:-0.35em;"></span><span class="mord"><span class="mord"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size1">{</span></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.7454em;"><span style="top:-2.355em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight" style="margin-right:0.03148em;">k</span></span></span></span><span style="top:-3.144em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">n</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size1">}</span></span></span></span></span></span></span></td><td align="left"><pur><code>{n\brace k}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">(</mo><mfrac linethickness="0px"><mi>n</mi><mi>k</mi></mfrac><mo fence="true">)</mo></mrow><annotation encoding="application/x-tex">{n \choose k}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2em;vertical-align:-0.35em;"></span><span class="mord"><span class="mord"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size1">(</span></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.7454em;"><span style="top:-2.355em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight" style="margin-right:0.03148em;">k</span></span></span></span><span style="top:-3.144em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">n</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size1">)</span></span></span></span></span></span></span></td><td align="left"><pur><code>{n \choose k}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">(</mo><mfrac linethickness="0px"><mi>n</mi><mi>k</mi></mfrac><mo fence="true">)</mo></mrow><annotation encoding="application/x-tex">\tbinom{n}{k}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2em;vertical-align:-0.35em;"></span><span class="mord"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size1">(</span></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.7454em;"><span style="top:-2.355em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight" style="margin-right:0.03148em;">k</span></span></span></span><span style="top:-3.144em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">n</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size1">)</span></span></span></span></span></span></td><td align="left"><pur><code>\tbinom{n}{k}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo fence="true">[</mo><mfrac linethickness="0px"><mi>n</mi><mi>k</mi></mfrac><mo fence="true">]</mo></mrow><annotation encoding="application/x-tex">{n\brack k}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2em;vertical-align:-0.35em;"></span><span class="mord"><span class="mord"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size1">[</span></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.7454em;"><span style="top:-2.355em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight" style="margin-right:0.03148em;">k</span></span></span></span><span style="top:-3.144em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">n</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.345em;"><span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size1">]</span></span></span></span></span></span></span></td><td align="left"><pur><code>{n\brack k}</code></pur></td></tr></tbody></table>
<!--rehype:className=left-align-->
</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="sqrt"><a aria-hidden="true" tabindex="-1" href="#sqrt"><span class="icon icon-link"></span></a>\sqrt</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-2-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msqrt><mi>x</mi></msqrt></mrow><annotation encoding="application/x-tex">\sqrt{x}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.04em;vertical-align:-0.2397em;"></span><span class="mord sqrt"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8003em;"><span class="svg-align" style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style="padding-left:0.833em;"><span class="mord mathnormal">x</span></span></span><span style="top:-2.7603em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="min-width:0.853em;height:1.08em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702
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c44.2,-33.3,65.8,-50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10
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M834 80h400000v40h-400000z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2397em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\sqrt{x}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mroot><mi>x</mi><mn>3</mn></mroot></mrow><annotation encoding="application/x-tex">\sqrt[3]{x}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.04em;vertical-align:-0.2397em;"></span><span class="mord sqrt"><span class="root"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6586em;"><span style="top:-2.8363em;"><span class="pstrut" style="height:2.5em;"></span><span class="sizing reset-size6 size1 mtight"><span class="mord mtight"><span class="mord mtight">3</span></span></span></span></span></span></span></span><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8003em;"><span class="svg-align" style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style="padding-left:0.833em;"><span class="mord mathnormal">x</span></span></span><span style="top:-2.7603em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="min-width:0.853em;height:1.08em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702
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M834 80h400000v40h-400000z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2397em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\sqrt[3]{x}</code></pur></td></tr></tbody></table>
<!--rehype:className=left-align-->
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="二元运算符"><a aria-hidden="true" tabindex="-1" href="#二元运算符"><span class="icon icon-link"></span></a>二元运算符</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>+</mo></mrow><annotation encoding="application/x-tex">+</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">+</span></span></span></span></td><td align="left"><pur><code>+</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋅</mo></mrow><annotation encoding="application/x-tex">\cdot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4445em;"></span><span class="mord">⋅</span></span></span></span></td><td align="left"><pur><code>\cdot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋗</mo></mrow><annotation encoding="application/x-tex">\gtrdot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mord amsrm">⋗</span></span></span></span></td><td align="left"><pur><code>\gtrdot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>x</mi><mspace></mspace><mspace width="0.4444em"></mspace><mo stretchy="false">(</mo><mrow><mi mathvariant="normal">m</mi><mi mathvariant="normal">o</mi><mi mathvariant="normal">d</mi></mrow><mspace width="0.3333em"></mspace><mi>a</mi><mo stretchy="false">)</mo></mrow><annotation encoding="application/x-tex">x \pmod a</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">x</span><span class="mspace allowbreak"></span><span class="mspace" style="margin-right:0.4444em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">(</span><span class="mord"><span class="mord"><span class="mord mathrm">mod</span></span></span><span class="mspace" style="margin-right:0.3333em;"></span><span class="mord mathnormal">a</span><span class="mclose">)</span></span></span></span></td><td align="left"><pur><code>x \pmod a</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>−</mo></mrow><annotation encoding="application/x-tex">-</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">−</span></span></span></span></td><td align="left"><pur><code>-</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo separator="true">⋅</mo></mrow><annotation encoding="application/x-tex">\cdotp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4445em;"></span><span class="mpunct">⋅</span></span></span></span></td><td align="left"><pur><code>\cdotp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊺</mo></mrow><annotation encoding="application/x-tex">\intercal</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord amsrm">⊺</span></span></span></span></td><td align="left"><pur><code>\intercal</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>x</mi><mspace></mspace><mspace width="0.4444em"></mspace><mo stretchy="false">(</mo><mi>a</mi><mo stretchy="false">)</mo></mrow><annotation encoding="application/x-tex">x \pod a</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">x</span><span class="mspace allowbreak"></span><span class="mspace" style="margin-right:0.4444em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">(</span><span class="mord mathnormal">a</span><span class="mclose">)</span></span></span></span></td><td align="left"><pur><code>x \pod a</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">/</mi></mrow><annotation encoding="application/x-tex">/</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord">/</span></span></span></span></td><td align="left"><pur><code>/</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋅</mo></mrow><annotation encoding="application/x-tex">\centerdot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">⋅</span></span></span></span></td><td align="left"><pur><code>\centerdot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∧</mo></mrow><annotation encoding="application/x-tex">\land</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">∧</span></span></span></span></td><td align="left"><pur><code>\land</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊳</mo></mrow><annotation encoding="application/x-tex">\rhd</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mord amsrm">⊳</span></span></span></span></td><td align="left"><pur><code>\rhd</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∗</mo></mrow><annotation encoding="application/x-tex">*</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4653em;"></span><span class="mord">∗</span></span></span></span></td><td align="left"><pur><code>*</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∘</mo></mrow><annotation encoding="application/x-tex">\circ</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4445em;"></span><span class="mord">∘</span></span></span></span></td><td align="left"><pur><code>\circ</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋋</mo></mrow><annotation encoding="application/x-tex">\leftthreetimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mord amsrm">⋋</span></span></span></span></td><td align="left"><pur><code>\leftthreetimes</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋌</mo></mrow><annotation encoding="application/x-tex">\rightthreetimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mord amsrm">⋌</span></span></span></span></td><td align="left"><pur><code>\rightthreetimes</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⨿</mo></mrow><annotation encoding="application/x-tex">\amalg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">⨿</span></span></span></span></td><td align="left"><pur><code>\amalg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊛</mo></mrow><annotation encoding="application/x-tex">\circledast</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mord amsrm">⊛</span></span></span></span></td><td align="left"><pur><code>\circledast</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo separator="true">.</mo></mrow><annotation encoding="application/x-tex">\ldotp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.1056em;"></span><span class="mpunct">.</span></span></span></span></td><td align="left"><pur><code>\ldotp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋊</mo></mrow><annotation encoding="application/x-tex">\rtimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mord amsrm">⋊</span></span></span></span></td><td align="left"><pur><code>\rtimes</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>&#x26;</mo></mrow><annotation encoding="application/x-tex">\And</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">&#x26;</span></span></span></span></td><td align="left"><pur><code>\And</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊚</mo></mrow><annotation encoding="application/x-tex">\circledcirc</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mord amsrm">⊚</span></span></span></span></td><td align="left"><pur><code>\circledcirc</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∨</mo></mrow><annotation encoding="application/x-tex">\lor</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">∨</span></span></span></span></td><td align="left"><pur><code>\lor</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∖</mo></mrow><annotation encoding="application/x-tex">\setminus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord">∖</span></span></span></span></td><td align="left"><pur><code>\setminus</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∗</mo></mrow><annotation encoding="application/x-tex">\ast</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4653em;"></span><span class="mord">∗</span></span></span></span></td><td align="left"><pur><code>\ast</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊝</mo></mrow><annotation encoding="application/x-tex">\circleddash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mord amsrm">⊝</span></span></span></span></td><td align="left"><pur><code>\circleddash</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋖</mo></mrow><annotation encoding="application/x-tex">\lessdot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mord amsrm">⋖</span></span></span></span></td><td align="left"><pur><code>\lessdot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∖</mo></mrow><annotation encoding="application/x-tex">\smallsetminus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mord amsrm">∖</span></span></span></span></td><td align="left"><pur><code>\smallsetminus</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊼</mo></mrow><annotation encoding="application/x-tex">\barwedge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mord amsrm">⊼</span></span></span></span></td><td align="left"><pur><code>\barwedge</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋓</mo></mrow><annotation encoding="application/x-tex">\Cup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">⋓</span></span></span></span></td><td align="left"><pur><code>\Cup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊲</mo></mrow><annotation encoding="application/x-tex">\lhd</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mord amsrm">⊲</span></span></span></span></td><td align="left"><pur><code>\lhd</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊓</mo></mrow><annotation encoding="application/x-tex">\sqcap</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">⊓</span></span></span></span></td><td align="left"><pur><code>\sqcap</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>◯</mo></mrow><annotation encoding="application/x-tex">\bigcirc</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">◯</span></span></span></span></td><td align="left"><pur><code>\bigcirc</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∪</mo></mrow><annotation encoding="application/x-tex">\cup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">∪</span></span></span></span></td><td align="left"><pur><code>\cup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋉</mo></mrow><annotation encoding="application/x-tex">\ltimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mord amsrm">⋉</span></span></span></span></td><td align="left"><pur><code>\ltimes</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊔</mo></mrow><annotation encoding="application/x-tex">\sqcup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">⊔</span></span></span></span></td><td align="left"><pur><code>\sqcup</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext> </mtext><mo lspace="0.22em" rspace="0.22em"><mrow><mi mathvariant="normal">m</mi><mi mathvariant="normal">o</mi><mi mathvariant="normal">d</mi></mrow></mo><mtext> </mtext></mrow><annotation encoding="application/x-tex">\bmod</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mspace" style="margin-right:0.0556em;"></span><span class="mord"><span class="mord"><span class="mord mathrm">mod</span></span></span><span class="mspace" style="margin-right:0.0556em;"></span></span></span></span></td><td align="left"><pur><code>\bmod</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋎</mo></mrow><annotation encoding="application/x-tex">\curlyvee</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">⋎</span></span></span></span></td><td align="left"><pur><code>\curlyvee</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>x</mi><mspace></mspace><mspace width="0.6667em"></mspace><mrow><mi mathvariant="normal">m</mi><mi mathvariant="normal">o</mi><mi mathvariant="normal">d</mi></mrow><mtext> </mtext><mtext> </mtext><mi>a</mi></mrow><annotation encoding="application/x-tex">x\mod a</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">x</span><span class="mspace allowbreak"></span><span class="mspace" style="margin-right:0.6667em;"></span></span><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord"><span class="mord"><span class="mord mathrm">mod</span></span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord mathnormal">a</span></span></span></span></td><td align="left"><pur><code>x\mod a</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>×</mo></mrow><annotation encoding="application/x-tex">\times</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">×</span></span></span></span></td><td align="left"><pur><code>\times</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊡</mo></mrow><annotation encoding="application/x-tex">\boxdot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.675em;"></span><span class="mord amsrm">⊡</span></span></span></span></td><td align="left"><pur><code>\boxdot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋏</mo></mrow><annotation encoding="application/x-tex">\curlywedge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">⋏</span></span></span></span></td><td align="left"><pur><code>\curlywedge</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∓</mo></mrow><annotation encoding="application/x-tex">\mp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">∓</span></span></span></span></td><td align="left"><pur><code>\mp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊴</mo></mrow><annotation encoding="application/x-tex">\unlhd</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mord amsrm">⊴</span></span></span></span></td><td align="left"><pur><code>\unlhd</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊟</mo></mrow><annotation encoding="application/x-tex">\boxminus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.675em;"></span><span class="mord amsrm">⊟</span></span></span></span></td><td align="left"><pur><code>\boxminus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>÷</mo></mrow><annotation encoding="application/x-tex">\div</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">÷</span></span></span></span></td><td align="left"><pur><code>\div</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊙</mo></mrow><annotation encoding="application/x-tex">\odot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">⊙</span></span></span></span></td><td align="left"><pur><code>\odot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊵</mo></mrow><annotation encoding="application/x-tex">\unrhd</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mord amsrm">⊵</span></span></span></span></td><td align="left"><pur><code>\unrhd</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊞</mo></mrow><annotation encoding="application/x-tex">\boxplus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.675em;"></span><span class="mord amsrm">⊞</span></span></span></span></td><td align="left"><pur><code>\boxplus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋇</mo></mrow><annotation encoding="application/x-tex">\divideontimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mord amsrm">⋇</span></span></span></span></td><td align="left"><pur><code>\divideontimes</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊖</mo></mrow><annotation encoding="application/x-tex">\ominus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">⊖</span></span></span></span></td><td align="left"><pur><code>\ominus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊎</mo></mrow><annotation encoding="application/x-tex">\uplus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">⊎</span></span></span></span></td><td align="left"><pur><code>\uplus</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊠</mo></mrow><annotation encoding="application/x-tex">\boxtimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.675em;"></span><span class="mord amsrm">⊠</span></span></span></span></td><td align="left"><pur><code>\boxtimes</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∔</mo></mrow><annotation encoding="application/x-tex">\dotplus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7742em;vertical-align:-0.082em;"></span><span class="mord amsrm">∔</span></span></span></span></td><td align="left"><pur><code>\dotplus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊕</mo></mrow><annotation encoding="application/x-tex">\oplus</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">⊕</span></span></span></span></td><td align="left"><pur><code>\oplus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∨</mo></mrow><annotation encoding="application/x-tex">\vee</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">∨</span></span></span></span></td><td align="left"><pur><code>\vee</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∙</mo></mrow><annotation encoding="application/x-tex">\bullet</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4445em;"></span><span class="mord">∙</span></span></span></span></td><td align="left"><pur><code>\bullet</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⩞</mo></mrow><annotation encoding="application/x-tex">\doublebarwedge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9503em;vertical-align:-0.1944em;"></span><span class="mord amsrm">⩞</span></span></span></span></td><td align="left"><pur><code>\doublebarwedge</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊗</mo></mrow><annotation encoding="application/x-tex">\otimes</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">⊗</span></span></span></span></td><td align="left"><pur><code>\otimes</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊻</mo></mrow><annotation encoding="application/x-tex">\veebar</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mord amsrm">⊻</span></span></span></span></td><td align="left"><pur><code>\veebar</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋒</mo></mrow><annotation encoding="application/x-tex">\Cap</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">⋒</span></span></span></span></td><td align="left"><pur><code>\Cap</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋒</mo></mrow><annotation encoding="application/x-tex">\doublecap</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">⋒</span></span></span></span></td><td align="left"><pur><code>\doublecap</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊘</mo></mrow><annotation encoding="application/x-tex">\oslash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">⊘</span></span></span></span></td><td align="left"><pur><code>\oslash</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∧</mo></mrow><annotation encoding="application/x-tex">\wedge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">∧</span></span></span></span></td><td align="left"><pur><code>\wedge</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∩</mo></mrow><annotation encoding="application/x-tex">\cap</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">∩</span></span></span></span></td><td align="left"><pur><code>\cap</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋓</mo></mrow><annotation encoding="application/x-tex">\doublecup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">⋓</span></span></span></span></td><td align="left"><pur><code>\doublecup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>±</mo></mrow><annotation encoding="application/x-tex">\pm</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">±</span></span></span></span></td><td align="left"><pur><code>\pm</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>±</mo></mrow><annotation encoding="application/x-tex">\plusmn</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord">±</span></span></span></span></td><td align="left"><pur><code>\plusmn</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≀</mo></mrow><annotation encoding="application/x-tex">\wr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">≀</span></span></span></span></td><td align="left"><pur><code>\wr</code></pur>`</td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td></tr></tbody></table>
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</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="关系"><a aria-hidden="true" tabindex="-1" href="#关系"><span class="icon icon-link"></span></a>关系</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="关系-1"><a aria-hidden="true" tabindex="-1" href="#关系-1"><span class="icon icon-link"></span></a>关系</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>=</mo></mrow><annotation encoding="application/x-tex">=</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">=</span></span></span></span></td><td align="left"><pur><code>=</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≑</mo></mrow><annotation encoding="application/x-tex">\doteqdot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mrel amsrm">≑</span></span></span></span></td><td align="left"><pur><code>\doteqdot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪅</mo></mrow><annotation encoding="application/x-tex">\lessapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0117em;vertical-align:-0.2558em;"></span><span class="mrel amsrm">⪅</span></span></span></span></td><td align="left"><pur><code>\lessapprox</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⌣</mo></mrow><annotation encoding="application/x-tex">\smile</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3576em;"></span><span class="mrel">⌣</span></span></span></span></td><td align="left"><pur><code>\smile</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>&#x3C;</mo></mrow><annotation encoding="application/x-tex">&#x3C;</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">&#x3C;</span></span></span></span></td><td align="left"><pur><code>&#x3C;</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≖</mo></mrow><annotation encoding="application/x-tex">\eqcirc</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">≖</span></span></span></span></td><td align="left"><pur><code>\eqcirc</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋚</mo></mrow><annotation encoding="application/x-tex">\lesseqgtr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2714em;vertical-align:-0.3857em;"></span><span class="mrel amsrm">⋚</span></span></span></span></td><td align="left"><pur><code>\lesseqgtr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊏</mo></mrow><annotation encoding="application/x-tex">\sqsubset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⊏</span></span></span></span></td><td align="left"><pur><code>\sqsubset</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>></mo></mrow><annotation encoding="application/x-tex">></annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">></span></span></span></span></td><td align="left"><pur><code>></code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">∹</mi></mo></mrow><annotation encoding="application/x-tex">\eqcolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mrel"><span class="mrel"><span class="mord">−</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></td><td align="left"><pur><code>\eqcolon</code></pur> 或 <pur><code>\minuscolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪋</mo></mrow><annotation encoding="application/x-tex">\lesseqqgtr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.4651em;vertical-align:-0.4826em;"></span><span class="mrel amsrm">⪋</span></span></span></span></td><td align="left"><pur><code>\lesseqqgtr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊑</mo></mrow><annotation encoding="application/x-tex">\sqsubseteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">⊑</span></span></span></span></td><td align="left"><pur><code>\sqsubseteq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>:</mo></mrow><annotation encoding="application/x-tex">:</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel">:</span></span></span></span></td><td align="left"><pur><code>:</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">−</mi><mi mathvariant="normal">∷</mi></mo></mrow><annotation encoding="application/x-tex">\Eqcolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mrel"><span class="mrel"><span class="mord">−</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></span></td><td align="left"><pur><code>\Eqcolon</code></pur> 或 <pur><code>\minuscoloncolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≶</mo></mrow><annotation encoding="application/x-tex">\lessgtr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8558em;vertical-align:-0.1808em;"></span><span class="mrel amsrm">≶</span></span></span></span></td><td align="left"><pur><code>\lessgtr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊐</mo></mrow><annotation encoding="application/x-tex">\sqsupset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⊐</span></span></span></span></td><td align="left"><pur><code>\sqsupset</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≈</mo></mrow><annotation encoding="application/x-tex">\approx</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4831em;"></span><span class="mrel">≈</span></span></span></span></td><td align="left"><pur><code>\approx</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">≕</mi></mo></mrow><annotation encoding="application/x-tex">\eqqcolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel">=</span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></td><td align="left"><pur><code>\eqqcolon</code></pur> 或 <pur><code>\equalscolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≲</mo></mrow><annotation encoding="application/x-tex">\lesssim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9592em;vertical-align:-0.2296em;"></span><span class="mrel amsrm">≲</span></span></span></span></td><td align="left"><pur><code>\lesssim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊒</mo></mrow><annotation encoding="application/x-tex">\sqsupseteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">⊒</span></span></span></span></td><td align="left"><pur><code>\sqsupseteq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mo>≈</mo><mo><mspace width="-0.0667em"></mspace></mo><mo><mo><mo>:</mo></mo></mo></mo></mrow><annotation encoding="application/x-tex">\approxcolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4831em;"></span><span class="mrel"><span class="mrel">≈</span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></td><td align="left"><pur><code>\approxcolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">=</mi><mi mathvariant="normal">∷</mi></mo></mrow><annotation encoding="application/x-tex">\Eqqcolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel">=</span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></span></td><td align="left"><pur><code>\Eqqcolon</code></pur> 或 <pur><code>\equalscoloncolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≪</mo></mrow><annotation encoding="application/x-tex">\ll</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">≪</span></span></span></span></td><td align="left"><pur><code>\ll</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋐</mo></mrow><annotation encoding="application/x-tex">\Subset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⋐</span></span></span></span></td><td align="left"><pur><code>\Subset</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mo>≈</mo><mo><mspace width="-0.0667em"></mspace></mo><mo><mi mathvariant="normal">∷</mi></mo></mo></mrow><annotation encoding="application/x-tex">\approxcoloncolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4831em;"></span><span class="mrel"><span class="mrel">≈</span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></span></td><td align="left"><pur><code>\approxcoloncolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≂</mo></mrow><annotation encoding="application/x-tex">\eqsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4637em;"></span><span class="mrel amsrm">≂</span></span></span></span></td><td align="left"><pur><code>\eqsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋘</mo></mrow><annotation encoding="application/x-tex">\lll</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⋘</span></span></span></span></td><td align="left"><pur><code>\lll</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊂</mo></mrow><annotation encoding="application/x-tex">\subset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">⊂</span></span></span></span></td><td align="left"><pur><code>\subset</code></pur> 或 <pur><code>\sub</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≊</mo></mrow><annotation encoding="application/x-tex">\approxeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mrel amsrm">≊</span></span></span></span></td><td align="left"><pur><code>\approxeq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪖</mo></mrow><annotation encoding="application/x-tex">\eqslantgtr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⪖</span></span></span></span></td><td align="left"><pur><code>\eqslantgtr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋘</mo></mrow><annotation encoding="application/x-tex">\llless</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⋘</span></span></span></span></td><td align="left"><pur><code>\llless</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊆</mo></mrow><annotation encoding="application/x-tex">\subseteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">⊆</span></span></span></span></td><td align="left"><pur><code>\subseteq</code></pur> 或 <pur><code>\sube</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≍</mo></mrow><annotation encoding="application/x-tex">\asymp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4637em;"></span><span class="mrel">≍</span></span></span></span></td><td align="left"><pur><code>\asymp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪕</mo></mrow><annotation encoding="application/x-tex">\eqslantless</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⪕</span></span></span></span></td><td align="left"><pur><code>\eqslantless</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>&#x3C;</mo></mrow><annotation encoding="application/x-tex">\lt</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">&#x3C;</span></span></span></span></td><td align="left"><pur><code>\lt</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⫅</mo></mrow><annotation encoding="application/x-tex">\subseteqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0117em;vertical-align:-0.2558em;"></span><span class="mrel amsrm">⫅</span></span></span></span></td><td align="left"><pur><code>\subseteqq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∍</mo></mrow><annotation encoding="application/x-tex">\backepsilon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel amsrm">∍</span></span></span></span></td><td align="left"><pur><code>\backepsilon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≡</mo></mrow><annotation encoding="application/x-tex">\equiv</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4637em;"></span><span class="mrel">≡</span></span></span></span></td><td align="left"><pur><code>\equiv</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∣</mo></mrow><annotation encoding="application/x-tex">\mid</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">∣</span></span></span></span></td><td align="left"><pur><code>\mid</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≻</mo></mrow><annotation encoding="application/x-tex">\succ</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">≻</span></span></span></span></td><td align="left"><pur><code>\succ</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∽</mo></mrow><annotation encoding="application/x-tex">\backsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3779em;"></span><span class="mrel amsrm">∽</span></span></span></span></td><td align="left"><pur><code>\backsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≒</mo></mrow><annotation encoding="application/x-tex">\fallingdotseq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mrel amsrm">≒</span></span></span></span></td><td align="left"><pur><code>\fallingdotseq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊨</mo></mrow><annotation encoding="application/x-tex">\models</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.999em;vertical-align:-0.249em;"></span><span class="mrel">⊨</span></span></span></span></td><td align="left"><pur><code>\models</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪸</mo></mrow><annotation encoding="application/x-tex">\succapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0189em;vertical-align:-0.2617em;"></span><span class="mrel amsrm">⪸</span></span></span></span></td><td align="left"><pur><code>\succapprox</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋍</mo></mrow><annotation encoding="application/x-tex">\backsimeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.464em;"></span><span class="mrel amsrm">⋍</span></span></span></span></td><td align="left"><pur><code>\backsimeq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⌢</mo></mrow><annotation encoding="application/x-tex">\frown</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3576em;"></span><span class="mrel">⌢</span></span></span></span></td><td align="left"><pur><code>\frown</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊸</mo></mrow><annotation encoding="application/x-tex">\multimap</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mrel amsrm">⊸</span></span></span></span></td><td align="left"><pur><code>\multimap</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≽</mo></mrow><annotation encoding="application/x-tex">\succcurlyeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">≽</span></span></span></span></td><td align="left"><pur><code>\succcurlyeq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≬</mo></mrow><annotation encoding="application/x-tex">\between</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0117em;vertical-align:-0.2558em;"></span><span class="mrel amsrm">≬</span></span></span></span></td><td align="left"><pur><code>\between</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≥</mo></mrow><annotation encoding="application/x-tex">\ge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">≥</span></span></span></span></td><td align="left"><pur><code>\ge</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊶</mo></mrow><annotation encoding="application/x-tex">\origof</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0em;"></span><span class="mrel">⊶</span></span></span></span></td><td align="left"><pur><code>\origof</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪰</mo></mrow><annotation encoding="application/x-tex">\succeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">⪰</span></span></span></span></td><td align="left"><pur><code>\succeq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋈</mo></mrow><annotation encoding="application/x-tex">\bowtie</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.51em;vertical-align:-0.005em;"></span><span class="mrel">⋈</span></span></span></span></td><td align="left"><pur><code>\bowtie</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≥</mo></mrow><annotation encoding="application/x-tex">\geq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">≥</span></span></span></span></td><td align="left"><pur><code>\geq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∋</mo></mrow><annotation encoding="application/x-tex">\owns</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">∋</span></span></span></span></td><td align="left"><pur><code>\owns</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≿</mo></mrow><annotation encoding="application/x-tex">\succsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9592em;vertical-align:-0.2296em;"></span><span class="mrel amsrm">≿</span></span></span></span></td><td align="left"><pur><code>\succsim</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≏</mo></mrow><annotation encoding="application/x-tex">\bumpeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6105em;vertical-align:-0.0606em;"></span><span class="mrel amsrm">≏</span></span></span></span></td><td align="left"><pur><code>\bumpeq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≧</mo></mrow><annotation encoding="application/x-tex">\geqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0117em;vertical-align:-0.2558em;"></span><span class="mrel amsrm">≧</span></span></span></span></td><td align="left"><pur><code>\geqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∥</mo></mrow><annotation encoding="application/x-tex">\parallel</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">∥</span></span></span></span></td><td align="left"><pur><code>\parallel</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋑</mo></mrow><annotation encoding="application/x-tex">\Supset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⋑</span></span></span></span></td><td align="left"><pur><code>\Supset</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≎</mo></mrow><annotation encoding="application/x-tex">\Bumpeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6105em;vertical-align:-0.0606em;"></span><span class="mrel amsrm">≎</span></span></span></span></td><td align="left"><pur><code>\Bumpeq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⩾</mo></mrow><annotation encoding="application/x-tex">\geqslant</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⩾</span></span></span></span></td><td align="left"><pur><code>\geqslant</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊥</mo></mrow><annotation encoding="application/x-tex">\perp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mrel">⊥</span></span></span></span></td><td align="left"><pur><code>\perp</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊃</mo></mrow><annotation encoding="application/x-tex">\supset</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">⊃</span></span></span></span></td><td align="left"><pur><code>\supset</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≗</mo></mrow><annotation encoding="application/x-tex">\circeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9592em;vertical-align:-0.2296em;"></span><span class="mrel amsrm">≗</span></span></span></span></td><td align="left"><pur><code>\circeq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≫</mo></mrow><annotation encoding="application/x-tex">\gg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">≫</span></span></span></span></td><td align="left"><pur><code>\gg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋔</mo></mrow><annotation encoding="application/x-tex">\pitchfork</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">⋔</span></span></span></span></td><td align="left"><pur><code>\pitchfork</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊇</mo></mrow><annotation encoding="application/x-tex">\supseteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">⊇</span></span></span></span></td><td align="left"><pur><code>\supseteq</code></pur> 或 <pur><code>\supe</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">:</mi><mi mathvariant="normal">≈</mi></mo></mrow><annotation encoding="application/x-tex">\colonapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4831em;"></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel">≈</span></span></span></span></span></td><td align="left"><pur><code>\colonapprox</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋙</mo></mrow><annotation encoding="application/x-tex">\ggg</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⋙</span></span></span></span></td><td align="left"><pur><code>\ggg</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≺</mo></mrow><annotation encoding="application/x-tex">\prec</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">≺</span></span></span></span></td><td align="left"><pur><code>\prec</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⫆</mo></mrow><annotation encoding="application/x-tex">\supseteqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0117em;vertical-align:-0.2558em;"></span><span class="mrel amsrm">⫆</span></span></span></span></td><td align="left"><pur><code>\supseteqq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">∷</mi><mi mathvariant="normal">≈</mi></mo></mrow><annotation encoding="application/x-tex">\Colonapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4831em;"></span><span class="mrel"><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel">≈</span></span></span></span></span></td><td align="left"><pur><code>\Colonapprox</code></pur> 或 <pur><code>\coloncolonapprox</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋙</mo></mrow><annotation encoding="application/x-tex">\gggtr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⋙</span></span></span></span></td><td align="left"><pur><code>\gggtr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪷</mo></mrow><annotation encoding="application/x-tex">\precapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0189em;vertical-align:-0.2617em;"></span><span class="mrel amsrm">⪷</span></span></span></span></td><td align="left"><pur><code>\precapprox</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≈</mo></mrow><annotation encoding="application/x-tex">\thickapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4831em;"></span><span class="mrel amsrm">≈</span></span></span></span></td><td align="left"><pur><code>\thickapprox</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">:</mi><mi mathvariant="normal">−</mi></mo></mrow><annotation encoding="application/x-tex">\coloneq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mord">−</span></span></span></span></span></span></td><td align="left"><pur><code>\coloneq</code></pur> 或 <pur><code>\colonminus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>></mo></mrow><annotation encoding="application/x-tex">\gt</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">></span></span></span></span></td><td align="left"><pur><code>\gt</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≼</mo></mrow><annotation encoding="application/x-tex">\preccurlyeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">≼</span></span></span></span></td><td align="left"><pur><code>\preccurlyeq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∼</mo></mrow><annotation encoding="application/x-tex">\thicksim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel amsrm">∼</span></span></span></span></td><td align="left"><pur><code>\thicksim</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">∷</mi><mi mathvariant="normal">−</mi></mo></mrow><annotation encoding="application/x-tex">\Coloneq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mrel"><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mord">−</span></span></span></span></span></span></td><td align="left"><pur><code>\Coloneq</code></pur> 或 <pur><code>\coloncolonminus</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪆</mo></mrow><annotation encoding="application/x-tex">\gtrapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0117em;vertical-align:-0.2558em;"></span><span class="mrel amsrm">⪆</span></span></span></span></td><td align="left"><pur><code>\gtrapprox</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪯</mo></mrow><annotation encoding="application/x-tex">\preceq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">⪯</span></span></span></span></td><td align="left"><pur><code>\preceq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊴</mo></mrow><annotation encoding="application/x-tex">\trianglelefteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⊴</span></span></span></span></td><td align="left"><pur><code>\trianglelefteq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">≔</mi></mo></mrow><annotation encoding="application/x-tex">\coloneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel">=</span></span></span></span></span></td><td align="left"><pur><code>\coloneqq</code></pur> 或 <pur><code>\colonequals</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋛</mo></mrow><annotation encoding="application/x-tex">\gtreqless</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2714em;vertical-align:-0.3857em;"></span><span class="mrel amsrm">⋛</span></span></span></span></td><td align="left"><pur><code>\gtreqless</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≾</mo></mrow><annotation encoding="application/x-tex">\precsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9592em;vertical-align:-0.2296em;"></span><span class="mrel amsrm">≾</span></span></span></span></td><td align="left"><pur><code>\precsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≜</mo></mrow><annotation encoding="application/x-tex">\triangleq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9987em;vertical-align:-0.082em;"></span><span class="mrel amsrm">≜</span></span></span></span></td><td align="left"><pur><code>\triangleq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">∷</mi><mi mathvariant="normal">=</mi></mo></mrow><annotation encoding="application/x-tex">\Coloneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel">=</span></span></span></span></span></td><td align="left"><pur><code>\Coloneqq</code></pur> 或 <pur><code>\coloncolonequals</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪌</mo></mrow><annotation encoding="application/x-tex">\gtreqqless</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.4651em;vertical-align:-0.4826em;"></span><span class="mrel amsrm">⪌</span></span></span></span></td><td align="left"><pur><code>\gtreqqless</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∝</mo></mrow><annotation encoding="application/x-tex">\propto</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel">∝</span></span></span></span></td><td align="left"><pur><code>\propto</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊵</mo></mrow><annotation encoding="application/x-tex">\trianglerighteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⊵</span></span></span></span></td><td align="left"><pur><code>\trianglerighteq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">:</mi><mi mathvariant="normal">∼</mi></mo></mrow><annotation encoding="application/x-tex">\colonsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel">∼</span></span></span></span></span></td><td align="left"><pur><code>\colonsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≷</mo></mrow><annotation encoding="application/x-tex">\gtrless</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8558em;vertical-align:-0.1808em;"></span><span class="mrel amsrm">≷</span></span></span></span></td><td align="left"><pur><code>\gtrless</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≓</mo></mrow><annotation encoding="application/x-tex">\risingdotseq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mrel amsrm">≓</span></span></span></span></td><td align="left"><pur><code>\risingdotseq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∝</mo></mrow><annotation encoding="application/x-tex">\varpropto</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">∝</span></span></span></span></td><td align="left"><pur><code>\varpropto</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">∷</mi><mi mathvariant="normal">∼</mi></mo></mrow><annotation encoding="application/x-tex">\Colonsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel">∼</span></span></span></span></span></td><td align="left"><pur><code>\Colonsim</code></pur> 或 <pur><code>\coloncolonsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≳</mo></mrow><annotation encoding="application/x-tex">\gtrsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9592em;vertical-align:-0.2296em;"></span><span class="mrel amsrm">≳</span></span></span></span></td><td align="left"><pur><code>\gtrsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∣</mo></mrow><annotation encoding="application/x-tex">\shortmid</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mrel amsrm">∣</span></span></span></span></td><td align="left"><pur><code>\shortmid</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>△</mo></mrow><annotation encoding="application/x-tex">\vartriangle</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mrel amsrm">△</span></span></span></span></td><td align="left"><pur><code>\vartriangle</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≅</mo></mrow><annotation encoding="application/x-tex">\cong</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.589em;"></span><span class="mrel">≅</span></span></span></span></td><td align="left"><pur><code>\cong</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊷</mo></mrow><annotation encoding="application/x-tex">\imageof</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0em;"></span><span class="mrel">⊷</span></span></span></span></td><td align="left"><pur><code>\imageof</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∥</mo></mrow><annotation encoding="application/x-tex">\shortparallel</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mrel amsrm">∥</span></span></span></span></td><td align="left"><pur><code>\shortparallel</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊲</mo></mrow><annotation encoding="application/x-tex">\vartriangleleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⊲</span></span></span></span></td><td align="left"><pur><code>\vartriangleleft</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋞</mo></mrow><annotation encoding="application/x-tex">\curlyeqprec</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⋞</span></span></span></span></td><td align="left"><pur><code>\curlyeqprec</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∈</mo></mrow><annotation encoding="application/x-tex">\in</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">∈</span></span></span></span></td><td align="left"><pur><code>\in</code></pur> 或 <pur><code>\isin</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∼</mo></mrow><annotation encoding="application/x-tex">\sim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">∼</span></span></span></span></td><td align="left"><pur><code>\sim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊳</mo></mrow><annotation encoding="application/x-tex">\vartriangleright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">⊳</span></span></span></span></td><td align="left"><pur><code>\vartriangleright</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋟</mo></mrow><annotation encoding="application/x-tex">\curlyeqsucc</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⋟</span></span></span></span></td><td align="left"><pur><code>\curlyeqsucc</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋈</mo></mrow><annotation encoding="application/x-tex">\Join</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.51em;vertical-align:-0.005em;"></span><span class="mrel">⋈</span></span></span></span></td><td align="left"><pur><code>\Join</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mo>∼</mo><mo><mspace width="-0.0667em"></mspace></mo><mo><mo><mo>:</mo></mo></mo></mo></mrow><annotation encoding="application/x-tex">\simcolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel">∼</span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></td><td align="left"><pur><code>\simcolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mo><mo>:</mo></mo></mo></mrow><annotation encoding="application/x-tex">\vcentcolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></td><td align="left"><pur><code>\vcentcolon</code></pur> 或 <pur><code>\ratio</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊣</mo></mrow><annotation encoding="application/x-tex">\dashv</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mrel">⊣</span></span></span></span></td><td align="left"><pur><code>\dashv</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≤</mo></mrow><annotation encoding="application/x-tex">\le</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">≤</span></span></span></span></td><td align="left"><pur><code>\le</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mo>∼</mo><mo><mspace width="-0.0667em"></mspace></mo><mo><mi mathvariant="normal">∷</mi></mo></mo></mrow><annotation encoding="application/x-tex">\simcoloncolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel">∼</span><span class="mrel"><span class="mspace" style="margin-right:-0.0667em;"></span></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></span></td><td align="left"><pur><code>\simcoloncolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊢</mo></mrow><annotation encoding="application/x-tex">\vdash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mrel">⊢</span></span></span></span></td><td align="left"><pur><code>\vdash</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo><mi mathvariant="normal">∷</mi></mo></mrow><annotation encoding="application/x-tex">\dblcolon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel"><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span><span class="mrel"><span class="mspace" style="margin-right:-0.05em;"></span></span><span class="mrel"><span class="mop" style="position:relative;top:-0.0347em;">:</span></span></span></span></span></span></td><td align="left"><pur><code>\dblcolon</code></pur> 或 <pur><code>\coloncolon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≤</mo></mrow><annotation encoding="application/x-tex">\leq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel">≤</span></span></span></span></td><td align="left"><pur><code>\leq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≃</mo></mrow><annotation encoding="application/x-tex">\simeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4637em;"></span><span class="mrel">≃</span></span></span></span></td><td align="left"><pur><code>\simeq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊨</mo></mrow><annotation encoding="application/x-tex">\vDash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">⊨</span></span></span></span></td><td align="left"><pur><code>\vDash</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≐</mo></mrow><annotation encoding="application/x-tex">\doteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.673em;"></span><span class="mrel">≐</span></span></span></span></td><td align="left"><pur><code>\doteq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≦</mo></mrow><annotation encoding="application/x-tex">\leqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0117em;vertical-align:-0.2558em;"></span><span class="mrel amsrm">≦</span></span></span></span></td><td align="left"><pur><code>\leqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⌢</mo></mrow><annotation encoding="application/x-tex">\smallfrown</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">⌢</span></span></span></span></td><td align="left"><pur><code>\smallfrown</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊩</mo></mrow><annotation encoding="application/x-tex">\Vdash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">⊩</span></span></span></span></td><td align="left"><pur><code>\Vdash</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≑</mo></mrow><annotation encoding="application/x-tex">\Doteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mrel amsrm">≑</span></span></span></span></td><td align="left"><pur><code>\Doteq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⩽</mo></mrow><annotation encoding="application/x-tex">\leqslant</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⩽</span></span></span></span></td><td align="left"><pur><code>\leqslant</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⌣</mo></mrow><annotation encoding="application/x-tex">\smallsmile</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">⌣</span></span></span></span></td><td align="left"><pur><code>\smallsmile</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊪</mo></mrow><annotation encoding="application/x-tex">\Vvdash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">⊪</span></span></span></span></td><td align="left"><pur><code>\Vvdash</code></pur></td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="否定关系"><a aria-hidden="true" tabindex="-1" href="#否定关系"><span class="icon icon-link"></span></a>否定关系</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪊</mo></mrow><annotation encoding="application/x-tex">\gnapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0189em;vertical-align:-0.2617em;"></span><span class="mrel amsrm">⪊</span></span></span></span></td><td align="left"><pur><code>\gnapprox</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≱</mo></mrow><annotation encoding="application/x-tex">\ngeqslant</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\ngeqslant</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊈</mo></mrow><annotation encoding="application/x-tex">\nsubseteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">⊈</span></span></span></span></td><td align="left"><pur><code>\nsubseteq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪵</mo></mrow><annotation encoding="application/x-tex">\precneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm">⪵</span></span></span></span></td><td align="left"><pur><code>\precneqq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪈</mo></mrow><annotation encoding="application/x-tex">\gneq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel amsrm">⪈</span></span></span></span></td><td align="left"><pur><code>\gneq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≯</mo></mrow><annotation encoding="application/x-tex">\ngtr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9115em;vertical-align:-0.2058em;"></span><span class="mrel amsrm">≯</span></span></span></span></td><td align="left"><pur><code>\ngtr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊈</mo></mrow><annotation encoding="application/x-tex">\nsubseteqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\nsubseteqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋨</mo></mrow><annotation encoding="application/x-tex">\precnsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9733em;vertical-align:-0.2322em;"></span><span class="mrel amsrm">⋨</span></span></span></span></td><td align="left"><pur><code>\precnsim</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≩</mo></mrow><annotation encoding="application/x-tex">\gneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm">≩</span></span></span></span></td><td align="left"><pur><code>\gneqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≰</mo></mrow><annotation encoding="application/x-tex">\nleq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">≰</span></span></span></span></td><td align="left"><pur><code>\nleq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊁</mo></mrow><annotation encoding="application/x-tex">\nsucc</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9115em;vertical-align:-0.2058em;"></span><span class="mrel amsrm">⊁</span></span></span></span></td><td align="left"><pur><code>\nsucc</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊊</mo></mrow><annotation encoding="application/x-tex">\subsetneq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel amsrm">⊊</span></span></span></span></td><td align="left"><pur><code>\subsetneq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋧</mo></mrow><annotation encoding="application/x-tex">\gnsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9733em;vertical-align:-0.2322em;"></span><span class="mrel amsrm">⋧</span></span></span></span></td><td align="left"><pur><code>\gnsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≰</mo></mrow><annotation encoding="application/x-tex">\nleqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.339em;vertical-align:-0.4195em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\nleqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋡</mo></mrow><annotation encoding="application/x-tex">\nsucceq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">⋡</span></span></span></span></td><td align="left"><pur><code>\nsucceq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⫋</mo></mrow><annotation encoding="application/x-tex">\subsetneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0786em;vertical-align:-0.2848em;"></span><span class="mrel amsrm">⫋</span></span></span></span></td><td align="left"><pur><code>\subsetneqq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≩</mo></mrow><annotation encoding="application/x-tex">\gvertneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\gvertneqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≰</mo></mrow><annotation encoding="application/x-tex">\nleqslant</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\nleqslant</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊉</mo></mrow><annotation encoding="application/x-tex">\nsupseteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">⊉</span></span></span></span></td><td align="left"><pur><code>\nsupseteq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪺</mo></mrow><annotation encoding="application/x-tex">\succnapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0189em;vertical-align:-0.2617em;"></span><span class="mrel amsrm">⪺</span></span></span></span></td><td align="left"><pur><code>\succnapprox</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪉</mo></mrow><annotation encoding="application/x-tex">\lnapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0189em;vertical-align:-0.2617em;"></span><span class="mrel amsrm">⪉</span></span></span></span></td><td align="left"><pur><code>\lnapprox</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≮</mo></mrow><annotation encoding="application/x-tex">\nless</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9115em;vertical-align:-0.2058em;"></span><span class="mrel amsrm">≮</span></span></span></span></td><td align="left"><pur><code>\nless</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊉</mo></mrow><annotation encoding="application/x-tex">\nsupseteqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\nsupseteqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪶</mo></mrow><annotation encoding="application/x-tex">\succneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm">⪶</span></span></span></span></td><td align="left"><pur><code>\succneqq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪇</mo></mrow><annotation encoding="application/x-tex">\lneq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel amsrm">⪇</span></span></span></span></td><td align="left"><pur><code>\lneq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∤</mo></mrow><annotation encoding="application/x-tex">\nmid</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9925em;vertical-align:-0.2514em;"></span><span class="mrel amsrm">∤</span></span></span></span></td><td align="left"><pur><code>\nmid</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋪</mo></mrow><annotation encoding="application/x-tex">\ntriangleleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9115em;vertical-align:-0.2058em;"></span><span class="mrel amsrm">⋪</span></span></span></span></td><td align="left"><pur><code>\ntriangleleft</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋩</mo></mrow><annotation encoding="application/x-tex">\succnsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9733em;vertical-align:-0.2322em;"></span><span class="mrel amsrm">⋩</span></span></span></span></td><td align="left"><pur><code>\succnsim</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≨</mo></mrow><annotation encoding="application/x-tex">\lneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm">≨</span></span></span></span></td><td align="left"><pur><code>\lneqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal">∉</mo></mrow><annotation encoding="application/x-tex">\notin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel"><span class="mord"><span class="mrel">∈</span></span><span class="mord vbox"><span class="thinbox"><span class="llap"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="inner"><span class="mord"><span class="mord">/</span><span class="mspace" style="margin-right:0.0556em;"></span></span></span><span class="fix"></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\notin</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋬</mo></mrow><annotation encoding="application/x-tex">\ntrianglelefteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">⋬</span></span></span></span></td><td align="left"><pur><code>\ntrianglelefteq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊋</mo></mrow><annotation encoding="application/x-tex">\supsetneq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel amsrm">⊋</span></span></span></span></td><td align="left"><pur><code>\supsetneq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋦</mo></mrow><annotation encoding="application/x-tex">\lnsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9733em;vertical-align:-0.2322em;"></span><span class="mrel amsrm">⋦</span></span></span></span></td><td align="left"><pur><code>\lnsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal">∌</mo></mrow><annotation encoding="application/x-tex">\notni</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel"><span class="mord vbox"><span class="thinbox"><span class="rlap"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="inner"><span class="mord"><span class="mrel"></span></span></span><span class="fix"></span></span></span></span></span></span><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mrel">∋</span></span></span></span></td><td align="left"><pur><code>\notni</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋫</mo></mrow><annotation encoding="application/x-tex">\ntriangleright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9115em;vertical-align:-0.2058em;"></span><span class="mrel amsrm">⋫</span></span></span></span></td><td align="left"><pur><code>\ntriangleright</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⫌</mo></mrow><annotation encoding="application/x-tex">\supsetneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0786em;vertical-align:-0.2848em;"></span><span class="mrel amsrm">⫌</span></span></span></span></td><td align="left"><pur><code>\supsetneqq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≨</mo></mrow><annotation encoding="application/x-tex">\lvertneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\lvertneqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∦</mo></mrow><annotation encoding="application/x-tex">\nparallel</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9925em;vertical-align:-0.2514em;"></span><span class="mrel amsrm">∦</span></span></span></span></td><td align="left"><pur><code>\nparallel</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋭</mo></mrow><annotation encoding="application/x-tex">\ntrianglerighteq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">⋭</span></span></span></span></td><td align="left"><pur><code>\ntrianglerighteq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊊</mo></mrow><annotation encoding="application/x-tex">\varsubsetneq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\varsubsetneq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≆</mo></mrow><annotation encoding="application/x-tex">\ncong</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">≆</span></span></span></span></td><td align="left"><pur><code>\ncong</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊀</mo></mrow><annotation encoding="application/x-tex">\nprec</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9115em;vertical-align:-0.2058em;"></span><span class="mrel amsrm">⊀</span></span></span></span></td><td align="left"><pur><code>\nprec</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊬</mo></mrow><annotation encoding="application/x-tex">\nvdash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mrel amsrm">⊬</span></span></span></span></td><td align="left"><pur><code>\nvdash</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⫋</mo></mrow><annotation encoding="application/x-tex">\varsubsetneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\varsubsetneqq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal">≠</mo></mrow><annotation encoding="application/x-tex">\ne</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel"><span class="mrel"><span class="mord vbox"><span class="thinbox"><span class="rlap"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="inner"><span class="mord"><span class="mrel"></span></span></span><span class="fix"></span></span></span></span></span><span class="mrel">=</span></span></span></span></span></td><td align="left"><pur><code>\ne</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋠</mo></mrow><annotation encoding="application/x-tex">\npreceq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">⋠</span></span></span></span></td><td align="left"><pur><code>\npreceq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊭</mo></mrow><annotation encoding="application/x-tex">\nvDash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mrel amsrm">⊭</span></span></span></span></td><td align="left"><pur><code>\nvDash</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊋</mo></mrow><annotation encoding="application/x-tex">\varsupsetneq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7719em;vertical-align:-0.136em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\varsupsetneq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal">≠</mo></mrow><annotation encoding="application/x-tex">\neq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel"><span class="mrel"><span class="mord vbox"><span class="thinbox"><span class="rlap"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="inner"><span class="mord"><span class="mrel"></span></span></span><span class="fix"></span></span></span></span></span><span class="mrel">=</span></span></span></span></span></td><td align="left"><pur><code>\neq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∤</mo></mrow><annotation encoding="application/x-tex">\nshortmid</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\nshortmid</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊯</mo></mrow><annotation encoding="application/x-tex">\nVDash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mrel amsrm">⊯</span></span></span></span></td><td align="left"><pur><code>\nVDash</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⫌</mo></mrow><annotation encoding="application/x-tex">\varsupsetneqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0087em;vertical-align:-0.2514em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\varsupsetneqq</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≱</mo></mrow><annotation encoding="application/x-tex">\ngeq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0966em;vertical-align:-0.3027em;"></span><span class="mrel amsrm">≱</span></span></span></span></td><td align="left"><pur><code>\ngeq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>∦</mo></mrow><annotation encoding="application/x-tex">\nshortparallel</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6633em;vertical-align:-0.0817em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\nshortparallel</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⊮</mo></mrow><annotation encoding="application/x-tex">\nVdash</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mrel amsrm">⊮</span></span></span></span></td><td align="left"><pur><code>\nVdash</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≱</mo></mrow><annotation encoding="application/x-tex">\ngeqq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.339em;vertical-align:-0.4195em;"></span><span class="mrel amsrm"></span></span></span></span></td><td align="left"><pur><code>\ngeqq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≁</mo></mrow><annotation encoding="application/x-tex">\nsim</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel amsrm">≁</span></span></span></span></td><td align="left"><pur><code>\nsim</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⪹</mo></mrow><annotation encoding="application/x-tex">\precnapprox</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0189em;vertical-align:-0.2617em;"></span><span class="mrel amsrm">⪹</span></span></span></span></td><td align="left"><pur><code>\precnapprox</code></pur></td><td align="left"></td><td align="left"></td></tr></tbody></table>
<p><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>≠</mo></mrow><annotation encoding="application/x-tex">\not =</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel"><span class="mord vbox"><span class="thinbox"><span class="rlap"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="inner"><span class="mord"><span class="mrel"></span></span></span><span class="fix"></span></span></span></span></span></span><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">=</span></span></span></span> <pur><code>\not =</code></pur></p>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="箭头"><a aria-hidden="true" tabindex="-1" href="#箭头"><span class="icon icon-link"></span></a>箭头</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table class="left-align"><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↺</mo></mrow><annotation encoding="application/x-tex">\circlearrowleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mrel amsrm">↺</span></span></span></span></td><td align="left"><pur><code>\circlearrowleft</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↼</mo></mrow><annotation encoding="application/x-tex">\leftharpoonup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">↼</span></span></span></span></td><td align="left"><pur><code>\leftharpoonup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇒</mo></mrow><annotation encoding="application/x-tex">\rArr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇒</span></span></span></span></td><td align="left"><pur><code>\rArr</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↻</mo></mrow><annotation encoding="application/x-tex">\circlearrowright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.664em;vertical-align:-0.082em;"></span><span class="mrel amsrm">↻</span></span></span></span></td><td align="left"><pur><code>\circlearrowright</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇇</mo></mrow><annotation encoding="application/x-tex">\leftleftarrows</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8558em;vertical-align:-0.1808em;"></span><span class="mrel amsrm">⇇</span></span></span></span></td><td align="left"><pur><code>\leftleftarrows</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>→</mo></mrow><annotation encoding="application/x-tex">\rarr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">→</span></span></span></span></td><td align="left"><pur><code>\rarr</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↶</mo></mrow><annotation encoding="application/x-tex">\curvearrowleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel amsrm">↶</span></span></span></span></td><td align="left"><pur><code>\curvearrowleft</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↔</mo></mrow><annotation encoding="application/x-tex">\leftrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">↔</span></span></span></span></td><td align="left"><pur><code>\leftrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↾</mo></mrow><annotation encoding="application/x-tex">\restriction</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">↾</span></span></span></span></td><td align="left"><pur><code>\restriction</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↷</mo></mrow><annotation encoding="application/x-tex">\curvearrowright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mrel amsrm">↷</span></span></span></span></td><td align="left"><pur><code>\curvearrowright</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇔</mo></mrow><annotation encoding="application/x-tex">\Leftrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇔</span></span></span></span></td><td align="left"><pur><code>\Leftrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>→</mo></mrow><annotation encoding="application/x-tex">\rightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">→</span></span></span></span></td><td align="left"><pur><code>\rightarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇓</mo></mrow><annotation encoding="application/x-tex">\Darr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">⇓</span></span></span></span></td><td align="left"><pur><code>\Darr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇆</mo></mrow><annotation encoding="application/x-tex">\leftrightarrows</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8558em;vertical-align:-0.1808em;"></span><span class="mrel amsrm">⇆</span></span></span></span></td><td align="left"><pur><code>\leftrightarrows</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇒</mo></mrow><annotation encoding="application/x-tex">\Rightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇒</span></span></span></span></td><td align="left"><pur><code>\Rightarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇓</mo></mrow><annotation encoding="application/x-tex">\dArr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">⇓</span></span></span></span></td><td align="left"><pur><code>\dArr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇋</mo></mrow><annotation encoding="application/x-tex">\leftrightharpoons</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5359em;vertical-align:-0.0135em;"></span><span class="mrel amsrm">⇋</span></span></span></span></td><td align="left"><pur><code>\leftrightharpoons</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↣</mo></mrow><annotation encoding="application/x-tex">\rightarrowtail</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5359em;vertical-align:-0.0135em;"></span><span class="mrel amsrm">↣</span></span></span></span></td><td align="left"><pur><code>\rightarrowtail</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↓</mo></mrow><annotation encoding="application/x-tex">\darr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↓</span></span></span></span></td><td align="left"><pur><code>\darr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↭</mo></mrow><annotation encoding="application/x-tex">\leftrightsquigarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3779em;"></span><span class="mrel amsrm">↭</span></span></span></span></td><td align="left"><pur><code>\leftrightsquigarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇁</mo></mrow><annotation encoding="application/x-tex">\rightharpoondown</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇁</span></span></span></span></td><td align="left"><pur><code>\rightharpoondown</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇠</mo></mrow><annotation encoding="application/x-tex">\dashleftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.437em;"></span><span class="mrel amsrm">⇠</span></span></span></span></td><td align="left"><pur><code>\dashleftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇚</mo></mrow><annotation encoding="application/x-tex">\Lleftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⇚</span></span></span></span></td><td align="left"><pur><code>\Lleftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇀</mo></mrow><annotation encoding="application/x-tex">\rightharpoonup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇀</span></span></span></span></td><td align="left"><pur><code>\rightharpoonup</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇢</mo></mrow><annotation encoding="application/x-tex">\dashrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.437em;"></span><span class="mrel amsrm">⇢</span></span></span></span></td><td align="left"><pur><code>\dashrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⟵</mo></mrow><annotation encoding="application/x-tex">\longleftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.522em;vertical-align:-0.011em;"></span><span class="mrel">⟵</span></span></span></span></td><td align="left"><pur><code>\longleftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇄</mo></mrow><annotation encoding="application/x-tex">\rightleftarrows</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8558em;vertical-align:-0.1808em;"></span><span class="mrel amsrm">⇄</span></span></span></span></td><td align="left"><pur><code>\rightleftarrows</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↓</mo></mrow><annotation encoding="application/x-tex">\downarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↓</span></span></span></span></td><td align="left"><pur><code>\downarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⟸</mo></mrow><annotation encoding="application/x-tex">\Longleftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mrel">⟸</span></span></span></span></td><td align="left"><pur><code>\Longleftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇌</mo></mrow><annotation encoding="application/x-tex">\rightleftharpoons</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.682em;vertical-align:-0.011em;"></span><span class="mrel">⇌</span></span></span></span></td><td align="left"><pur><code>\rightleftharpoons</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇓</mo></mrow><annotation encoding="application/x-tex">\Downarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">⇓</span></span></span></span></td><td align="left"><pur><code>\Downarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⟷</mo></mrow><annotation encoding="application/x-tex">\longleftrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.522em;vertical-align:-0.011em;"></span><span class="mrel">⟷</span></span></span></span></td><td align="left"><pur><code>\longleftrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇉</mo></mrow><annotation encoding="application/x-tex">\rightrightarrows</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8558em;vertical-align:-0.1808em;"></span><span class="mrel amsrm">⇉</span></span></span></span></td><td align="left"><pur><code>\rightrightarrows</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇊</mo></mrow><annotation encoding="application/x-tex">\downdownarrows</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">⇊</span></span></span></span></td><td align="left"><pur><code>\downdownarrows</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⟺</mo></mrow><annotation encoding="application/x-tex">\Longleftrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mrel">⟺</span></span></span></span></td><td align="left"><pur><code>\Longleftrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇝</mo></mrow><annotation encoding="application/x-tex">\rightsquigarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3779em;"></span><span class="mrel amsrm">⇝</span></span></span></span></td><td align="left"><pur><code>\rightsquigarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇃</mo></mrow><annotation encoding="application/x-tex">\downharpoonleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">⇃</span></span></span></span></td><td align="left"><pur><code>\downharpoonleft</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⟼</mo></mrow><annotation encoding="application/x-tex">\longmapsto</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.522em;vertical-align:-0.011em;"></span><span class="mrel">⟼</span></span></span></span></td><td align="left"><pur><code>\longmapsto</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇛</mo></mrow><annotation encoding="application/x-tex">\Rrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7733em;vertical-align:-0.1367em;"></span><span class="mrel amsrm">⇛</span></span></span></span></td><td align="left"><pur><code>\Rrightarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇂</mo></mrow><annotation encoding="application/x-tex">\downharpoonright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">⇂</span></span></span></span></td><td align="left"><pur><code>\downharpoonright</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⟶</mo></mrow><annotation encoding="application/x-tex">\longrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.522em;vertical-align:-0.011em;"></span><span class="mrel">⟶</span></span></span></span></td><td align="left"><pur><code>\longrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↱</mo></mrow><annotation encoding="application/x-tex">\Rsh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">↱</span></span></span></span></td><td align="left"><pur><code>\Rsh</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>←</mo></mrow><annotation encoding="application/x-tex">\gets</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">←</span></span></span></span></td><td align="left"><pur><code>\gets</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⟹</mo></mrow><annotation encoding="application/x-tex">\Longrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mrel">⟹</span></span></span></span></td><td align="left"><pur><code>\Longrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↘</mo></mrow><annotation encoding="application/x-tex">\searrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↘</span></span></span></span></td><td align="left"><pur><code>\searrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇔</mo></mrow><annotation encoding="application/x-tex">\Harr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇔</span></span></span></span></td><td align="left"><pur><code>\Harr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↫</mo></mrow><annotation encoding="application/x-tex">\looparrowleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mrel amsrm">↫</span></span></span></span></td><td align="left"><pur><code>\looparrowleft</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↙</mo></mrow><annotation encoding="application/x-tex">\swarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↙</span></span></span></span></td><td align="left"><pur><code>\swarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇔</mo></mrow><annotation encoding="application/x-tex">\hArr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇔</span></span></span></span></td><td align="left"><pur><code>\hArr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↬</mo></mrow><annotation encoding="application/x-tex">\looparrowright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mrel amsrm">↬</span></span></span></span></td><td align="left"><pur><code>\looparrowright</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>→</mo></mrow><annotation encoding="application/x-tex">\to</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">→</span></span></span></span></td><td align="left"><pur><code>\to</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↔</mo></mrow><annotation encoding="application/x-tex">\harr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">↔</span></span></span></span></td><td align="left"><pur><code>\harr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇔</mo></mrow><annotation encoding="application/x-tex">\Lrarr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇔</span></span></span></span></td><td align="left"><pur><code>\Lrarr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↞</mo></mrow><annotation encoding="application/x-tex">\twoheadleftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5359em;vertical-align:-0.0135em;"></span><span class="mrel amsrm">↞</span></span></span></span></td><td align="left"><pur><code>\twoheadleftarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↩</mo></mrow><annotation encoding="application/x-tex">\hookleftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.522em;vertical-align:-0.011em;"></span><span class="mrel">↩</span></span></span></span></td><td align="left"><pur><code>\hookleftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇔</mo></mrow><annotation encoding="application/x-tex">\lrArr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇔</span></span></span></span></td><td align="left"><pur><code>\lrArr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↠</mo></mrow><annotation encoding="application/x-tex">\twoheadrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5359em;vertical-align:-0.0135em;"></span><span class="mrel amsrm">↠</span></span></span></span></td><td align="left"><pur><code>\twoheadrightarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↪</mo></mrow><annotation encoding="application/x-tex">\hookrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.522em;vertical-align:-0.011em;"></span><span class="mrel">↪</span></span></span></span></td><td align="left"><pur><code>\hookrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↔</mo></mrow><annotation encoding="application/x-tex">\lrarr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">↔</span></span></span></span></td><td align="left"><pur><code>\lrarr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇑</mo></mrow><annotation encoding="application/x-tex">\Uarr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">⇑</span></span></span></span></td><td align="left"><pur><code>\Uarr</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>  </mtext><mo>⟺</mo><mtext>  </mtext></mrow><annotation encoding="application/x-tex">\iff</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">⟺</span><span class="mspace" style="margin-right:0.2778em;"></span></span></span></span></td><td align="left"><pur><code>\iff</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↰</mo></mrow><annotation encoding="application/x-tex">\Lsh</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mrel amsrm">↰</span></span></span></span></td><td align="left"><pur><code>\Lsh</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇑</mo></mrow><annotation encoding="application/x-tex">\uArr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">⇑</span></span></span></span></td><td align="left"><pur><code>\uArr</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>  </mtext><mo>⟸</mo><mtext>  </mtext></mrow><annotation encoding="application/x-tex">\impliedby</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">⟸</span><span class="mspace" style="margin-right:0.2778em;"></span></span></span></span></td><td align="left"><pur><code>\impliedby</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↦</mo></mrow><annotation encoding="application/x-tex">\mapsto</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.522em;vertical-align:-0.011em;"></span><span class="mrel">↦</span></span></span></span></td><td align="left"><pur><code>\mapsto</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↑</mo></mrow><annotation encoding="application/x-tex">\uarr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↑</span></span></span></span></td><td align="left"><pur><code>\uarr</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>  </mtext><mo>⟹</mo><mtext>  </mtext></mrow><annotation encoding="application/x-tex">\implies</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.549em;vertical-align:-0.024em;"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">⟹</span><span class="mspace" style="margin-right:0.2778em;"></span></span></span></span></td><td align="left"><pur><code>\implies</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↗</mo></mrow><annotation encoding="application/x-tex">\nearrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↗</span></span></span></span></td><td align="left"><pur><code>\nearrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↑</mo></mrow><annotation encoding="application/x-tex">\uparrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↑</span></span></span></span></td><td align="left"><pur><code>\uparrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇐</mo></mrow><annotation encoding="application/x-tex">\Larr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇐</span></span></span></span></td><td align="left"><pur><code>\Larr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↚</mo></mrow><annotation encoding="application/x-tex">\nleftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel amsrm">↚</span></span></span></span></td><td align="left"><pur><code>\nleftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇑</mo></mrow><annotation encoding="application/x-tex">\Uparrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">⇑</span></span></span></span></td><td align="left"><pur><code>\Uparrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇐</mo></mrow><annotation encoding="application/x-tex">\lArr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇐</span></span></span></span></td><td align="left"><pur><code>\lArr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇍</mo></mrow><annotation encoding="application/x-tex">\nLeftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel amsrm">⇍</span></span></span></span></td><td align="left"><pur><code>\nLeftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↕</mo></mrow><annotation encoding="application/x-tex">\updownarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">↕</span></span></span></span></td><td align="left"><pur><code>\updownarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>←</mo></mrow><annotation encoding="application/x-tex">\larr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">←</span></span></span></span></td><td align="left"><pur><code>\larr</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↮</mo></mrow><annotation encoding="application/x-tex">\nleftrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel amsrm">↮</span></span></span></span></td><td align="left"><pur><code>\nleftrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇕</mo></mrow><annotation encoding="application/x-tex">\Updownarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mrel">⇕</span></span></span></span></td><td align="left"><pur><code>\Updownarrow</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇝</mo></mrow><annotation encoding="application/x-tex">\leadsto</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3779em;"></span><span class="mrel amsrm">⇝</span></span></span></span></td><td align="left"><pur><code>\leadsto</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇎</mo></mrow><annotation encoding="application/x-tex">\nLeftrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel amsrm">⇎</span></span></span></span></td><td align="left"><pur><code>\nLeftrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↿</mo></mrow><annotation encoding="application/x-tex">\upharpoonleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">↿</span></span></span></span></td><td align="left"><pur><code>\upharpoonleft</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>←</mo></mrow><annotation encoding="application/x-tex">\leftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">←</span></span></span></span></td><td align="left"><pur><code>\leftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↛</mo></mrow><annotation encoding="application/x-tex">\nrightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel amsrm">↛</span></span></span></span></td><td align="left"><pur><code>\nrightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↾</mo></mrow><annotation encoding="application/x-tex">\upharpoonright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">↾</span></span></span></span></td><td align="left"><pur><code>\upharpoonright</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇐</mo></mrow><annotation encoding="application/x-tex">\Leftarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇐</span></span></span></span></td><td align="left"><pur><code>\Leftarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇏</mo></mrow><annotation encoding="application/x-tex">\nRightarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel amsrm">⇏</span></span></span></span></td><td align="left"><pur><code>\nRightarrow</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇈</mo></mrow><annotation encoding="application/x-tex">\upuparrows</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mrel amsrm">⇈</span></span></span></span></td><td align="left"><pur><code>\upuparrows</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↢</mo></mrow><annotation encoding="application/x-tex">\leftarrowtail</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5359em;vertical-align:-0.0135em;"></span><span class="mrel amsrm">↢</span></span></span></span></td><td align="left"><pur><code>\leftarrowtail</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↖</mo></mrow><annotation encoding="application/x-tex">\nwarrow</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mrel">↖</span></span></span></span></td><td align="left"><pur><code>\nwarrow</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>↽</mo></mrow><annotation encoding="application/x-tex">\leftharpoondown</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">↽</span></span></span></span></td><td align="left"><pur><code>\leftharpoondown</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⇒</mo></mrow><annotation encoding="application/x-tex">\Rarr</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3669em;"></span><span class="mrel">⇒</span></span></span></span></td><td align="left"><pur><code>\Rarr</code></pur></td><td align="left"></td><td align="left"></td></tr></tbody></table>
<!--rehype:className=left-align-->
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="可扩展箭头"><a aria-hidden="true" tabindex="-1" href="#可扩展箭头"><span class="icon icon-link"></span></a>可扩展箭头</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">←</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xleftarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.522em;min-width:1.469em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8
-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xleftarrow{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munderover><mo stretchy="true" minsize="3.0em">→</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>u</mi><mi>n</mi><mi>d</mi><mi>e</mi><mi>r</mi></mrow></mpadded><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>o</mi><mi>v</mi><mi>e</mi><mi>r</mi></mrow></mpadded></munderover></mrow><annotation encoding="application/x-tex">\xrightarrow[under]{over}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.5315em;vertical-align:-0.6081em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9234em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">o</span><span class="mord mathnormal mtight" style="margin-right:0.03588em;">v</span><span class="mord mathnormal mtight" style="margin-right:0.02778em;">er</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.522em;min-width:1.469em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span><span style="top:-2.0919em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">u</span><span class="mord mathnormal mtight">n</span><span class="mord mathnormal mtight">d</span><span class="mord mathnormal mtight" style="margin-right:0.02778em;">er</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.6081em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xrightarrow[under]{over}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">⇐</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xLeftarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1571em;vertical-align:-0.03em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1271em;"><span style="top:-3.341em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.67em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.56em;min-width:1.526em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.56em" viewBox="0 0 400000 560" preserveAspectRatio="xMinYMin slice"><path d="M262 157
l10-10c34-36 62.7-77 86-123 3.3-8 5-13.3 5-16 0-5.3-6.7-8-20-8-7.3
0-12.2.5-14.5 1.5-2.3 1-4.8 4.5-7.5 10.5-49.3 97.3-121.7 169.3-217 216-28
14-57.3 25-88 33-6.7 2-11 3.8-13 5.5-2 1.7-3 4.2-3 7.5s1 5.8 3 7.5
c2 1.7 6.3 3.5 13 5.5 68 17.3 128.2 47.8 180.5 91.5 52.3 43.7 93.8 96.2 124.5
157.5 9.3 8 15.3 12.3 18 13h6c12-.7 18-4 18-10 0-2-1.7-7-5-15-23.3-46-52-87
-86-123l-10-10h399738v-40H218c328 0 0 0 0 0l-10-8c-26.7-20-65.7-43-117-69 2.7
-2 6-3.7 10-5 36.7-16 72.3-37.3 107-64l10-8h399782v-40z
m8 0v40h399730v-40zm0 194v40h399730v-40z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.03em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xLeftarrow{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">⇒</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xRightarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1571em;vertical-align:-0.03em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1271em;"><span style="top:-3.341em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.67em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.56em;min-width:1.526em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.56em" viewBox="0 0 400000 560" preserveAspectRatio="xMaxYMin slice"><path d="M399738 392l
-10 10c-34 36-62.7 77-86 123-3.3 8-5 13.3-5 16 0 5.3 6.7 8 20 8 7.3 0 12.2-.5
14.5-1.5 2.3-1 4.8-4.5 7.5-10.5 49.3-97.3 121.7-169.3 217-216 28-14 57.3-25 88
-33 6.7-2 11-3.8 13-5.5 2-1.7 3-4.2 3-7.5s-1-5.8-3-7.5c-2-1.7-6.3-3.5-13-5.5-68
-17.3-128.2-47.8-180.5-91.5-52.3-43.7-93.8-96.2-124.5-157.5-9.3-8-15.3-12.3-18
-13h-6c-12 .7-18 4-18 10 0 2 1.7 7 5 15 23.3 46 52 87 86 123l10 10H0v40h399782
c-328 0 0 0 0 0l10 8c26.7 20 65.7 43 117 69-2.7 2-6 3.7-10 5-36.7 16-72.3 37.3
-107 64l-10 8H0v40zM0 157v40h399730v-40zm0 194v40h399730v-40z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.03em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xRightarrow{abc}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">↔</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xleftrightarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="stretchy" style="height:0.522em;min-width:1.75em;"><span class="halfarrow-left" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8
-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span><span class="halfarrow-right" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xleftrightarrow{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">⇔</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xLeftrightarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1571em;vertical-align:-0.03em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1271em;"><span style="top:-3.341em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.67em;"><span class="pstrut" style="height:2.7em;"></span><span class="stretchy" style="height:0.56em;min-width:1.75em;"><span class="halfarrow-left" style="height:0.56em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.56em" viewBox="0 0 400000 560" preserveAspectRatio="xMinYMin slice"><path d="M262 157
l10-10c34-36 62.7-77 86-123 3.3-8 5-13.3 5-16 0-5.3-6.7-8-20-8-7.3
0-12.2.5-14.5 1.5-2.3 1-4.8 4.5-7.5 10.5-49.3 97.3-121.7 169.3-217 216-28
14-57.3 25-88 33-6.7 2-11 3.8-13 5.5-2 1.7-3 4.2-3 7.5s1 5.8 3 7.5
c2 1.7 6.3 3.5 13 5.5 68 17.3 128.2 47.8 180.5 91.5 52.3 43.7 93.8 96.2 124.5
157.5 9.3 8 15.3 12.3 18 13h6c12-.7 18-4 18-10 0-2-1.7-7-5-15-23.3-46-52-87
-86-123l-10-10h399738v-40H218c328 0 0 0 0 0l-10-8c-26.7-20-65.7-43-117-69 2.7
-2 6-3.7 10-5 36.7-16 72.3-37.3 107-64l10-8h399782v-40z
m8 0v40h399730v-40zm0 194v40h399730v-40z"></path></svg></span><span class="halfarrow-right" style="height:0.56em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.56em" viewBox="0 0 400000 560" preserveAspectRatio="xMaxYMin slice"><path d="M399738 392l
-10 10c-34 36-62.7 77-86 123-3.3 8-5 13.3-5 16 0 5.3 6.7 8 20 8 7.3 0 12.2-.5
14.5-1.5 2.3-1 4.8-4.5 7.5-10.5 49.3-97.3 121.7-169.3 217-216 28-14 57.3-25 88
-33 6.7-2 11-3.8 13-5.5 2-1.7 3-4.2 3-7.5s-1-5.8-3-7.5c-2-1.7-6.3-3.5-13-5.5-68
-17.3-128.2-47.8-180.5-91.5-52.3-43.7-93.8-96.2-124.5-157.5-9.3-8-15.3-12.3-18
-13h-6c-12 .7-18 4-18 10 0 2 1.7 7 5 15 23.3 46 52 87 86 123l10 10H0v40h399782
c-328 0 0 0 0 0l10 8c26.7 20 65.7 43 117 69-2.7 2-6 3.7-10 5-36.7 16-72.3 37.3
-107 64l-10 8H0v40zM0 157v40h399730v-40zm0 194v40h399730v-40z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.03em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xLeftrightarrow{abc}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">↩</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xhookleftarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="stretchy" style="height:0.522em;min-width:1.08em;"><span class="halfarrow-left" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 241H110l3-3c68.7-52.7 113.7-120
135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8
-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247
c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208
490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3
1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202
l-3-3h399890zM100 241v40h399900v-40z"></path></svg></span><span class="halfarrow-right" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M399859 241c-764 0 0 0 0 0 40-3.3 68.7-15.7 86-37 10-12 15-25.3
15-40 0-22.7-9.8-40.7-29.5-54-19.7-13.3-43.5-21-71.5-23-17.3-1.3-26-8-26-20 0
-13.3 8.7-20 26-20 38 0 71 11.2 99 33.5 0 0 7 5.6 21 16.7 14 11.2 21 33.5 21
66.8s-14 61.2-42 83.5c-28 22.3-61 33.5-99 33.5L0 241z M0 281v-40h399859v40z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xhookleftarrow{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">↪</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xhookrightarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="stretchy" style="height:0.522em;min-width:1.08em;"><span class="halfarrow-left" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M400000 281 H103s-33-11.2-61-33.5S0 197.3 0 164s14.2-61.2 42.5
-83.5C70.8 58.2 104 47 142 47 c16.7 0 25 6.7 25 20 0 12-8.7 18.7-26 20-40 3.3
-68.7 15.7-86 37-10 12-15 25.3-15 40 0 22.7 9.8 40.7 29.5 54 19.7 13.3 43.5 21
71.5 23h399859zM103 281v-40h399897v40z"></path></svg></span><span class="halfarrow-right" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xhookrightarrow{abc}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">↞</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xtwoheadleftarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0141em;"></span><span class="mrel x-arrow"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.0141em;"><span style="top:-3.228em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.783em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.334em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.334em" viewBox="0 0 400000 334" preserveAspectRatio="xMinYMin slice"><path d="M0 167c68 40
115.7 95.7 143 167h22c15.3 0 23-.3 23-1 0-1.3-5.3-13.7-16-37-18-35.3-41.3-69
-70-101l-7-8h125l9 7c50.7 39.3 85 86 103 140h46c0-4.7-6.3-18.7-19-42-18-35.3
-40-67.3-66-96l-9-9h399716v-40H284l9-9c26-28.7 48-60.7 66-96 12.7-23.333 19
-37.333 19-42h-46c-18 54-52.3 100.7-103 140l-9 7H95l7-8c28.7-32 52-65.7 70-101
10.7-23.333 16-35.7 16-37 0-.7-7.7-1-23-1h-22C115.7 71.3 68 127 0 167z"></path></svg></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xtwoheadleftarrow{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">↠</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xtwoheadrightarrow{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0141em;"></span><span class="mrel x-arrow"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.0141em;"><span style="top:-3.228em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.783em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.334em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.334em" viewBox="0 0 400000 334" preserveAspectRatio="xMaxYMin slice"><path d="M400000 167
c-68-40-115.7-95.7-143-167h-22c-15.3 0-23 .3-23 1 0 1.3 5.3 13.7 16 37 18 35.3
41.3 69 70 101l7 8h-125l-9-7c-50.7-39.3-85-86-103-140h-46c0 4.7 6.3 18.7 19 42
18 35.3 40 67.3 66 96l9 9H0v40h399716l-9 9c-26 28.7-48 60.7-66 96-12.7 23.333
-19 37.333-19 42h46c18-54 52.3-100.7 103-140l9-7h125l-7 8c-28.7 32-52 65.7-70
101-10.7 23.333-16 35.7-16 37 0 .7 7.7 1 23 1h22c27.3-71.3 75-127 143-167z"></path></svg></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xtwoheadrightarrow{abc}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">↼</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xleftharpoonup{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M0 267c.7 5.3 3 10 7 14h399993v-40H93c3.3
-3.3 10.2-9.5 20.5-18.5s17.8-15.8 22.5-20.5c50.7-52 88-110.3 112-175 4-11.3 5
-18.3 3-21-1.3-4-7.3-6-18-6-8 0-13 .7-15 2s-4.7 6.7-8 16c-42 98.7-107.3 174.7
-196 228-6.7 4.7-10.7 8-12 10-1.3 2-2 5.7-2 11zm100-26v40h399900v-40z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xleftharpoonup{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">⇀</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xrightharpoonup{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399993c4.7-4.7 7-9.3 7-14 0-9.3
-3.7-15.3-11-18-92.7-56.7-159-133.7-199-231-3.3-9.3-6-14.7-8-16-2-1.3-7-2-15-2
-10.7 0-16.7 2-18 6-2 2.7-1 9.7 3 21 15.3 42 36.7 81.8 64 119.5 27.3 37.7 58
69.2 92 94.5zm0 0v40h399900v-40z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xrightharpoonup{abc}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">↽</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xleftharpoondown{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M7 241c-4 4-6.333 8.667-7 14 0 5.333.667 9 2 11s5.333
5.333 12 10c90.667 54 156 130 196 228 3.333 10.667 6.333 16.333 9 17 2 .667 5
1 9 1h5c10.667 0 16.667-2 18-6 2-2.667 1-9.667-3-21-32-87.333-82.667-157.667
-152-211l-3-3h399907v-40zM93 281 H400000 v-40L7 241z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xleftharpoondown{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">⇁</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xrightharpoondown{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.522em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M399747 511c0 7.3 6.7 11 20 11 8 0 13-.8 15-2.5s4.7-6.8
8-15.5c40-94 99.3-166.3 178-217 13.3-8 20.3-12.3 21-13 5.3-3.3 8.5-5.8 9.5
-7.5 1-1.7 1.5-5.2 1.5-10.5s-2.3-10.3-7-15H0v40h399908c-34 25.3-64.7 57-92 95
-27.3 38-48.7 77.7-64 119-3.3 8.7-5 14-5 16zM0 241v40h399900v-40z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xrightharpoondown{abc}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">⇋</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xleftrightharpoons{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3131em;vertical-align:-0.108em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.2051em;"><span style="top:-3.435em;"><span class="pstrut" style="height:2.716em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.608em;"><span class="pstrut" style="height:2.716em;"></span><span class="stretchy" style="height:0.716em;min-width:1.75em;"><span class="halfarrow-left" style="height:0.716em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.716em" viewBox="0 0 400000 716" preserveAspectRatio="xMinYMin slice"><path d="M0 267c.7 5.3 3 10 7 14h399993v-40H93c3.3-3.3 10.2-9.5
20.5-18.5s17.8-15.8 22.5-20.5c50.7-52 88-110.3 112-175 4-11.3 5-18.3 3-21-1.3
-4-7.3-6-18-6-8 0-13 .7-15 2s-4.7 6.7-8 16c-42 98.7-107.3 174.7-196 228-6.7 4.7
-10.7 8-12 10-1.3 2-2 5.7-2 11zm100-26v40h399900v-40zM0 435v40h400000v-40z
m0 0v40h400000v-40z"></path></svg></span><span class="halfarrow-right" style="height:0.716em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.716em" viewBox="0 0 400000 716" preserveAspectRatio="xMaxYMin slice"><path d="M399747 705c0 7.3 6.7 11 20 11 8 0 13-.8
15-2.5s4.7-6.8 8-15.5c40-94 99.3-166.3 178-217 13.3-8 20.3-12.3 21-13 5.3-3.3
8.5-5.8 9.5-7.5 1-1.7 1.5-5.2 1.5-10.5s-2.3-10.3-7-15H0v40h399908c-34 25.3
-64.7 57-92 95-27.3 38-48.7 77.7-64 119-3.3 8.7-5 14-5 16zM0 435v40h399900v-40z
m0-194v40h400000v-40zm0 0v40h400000v-40z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.108em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xleftrightharpoons{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">⇌</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xrightleftharpoons{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3131em;vertical-align:-0.108em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.2051em;"><span style="top:-3.435em;"><span class="pstrut" style="height:2.716em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.608em;"><span class="pstrut" style="height:2.716em;"></span><span class="stretchy" style="height:0.716em;min-width:1.75em;"><span class="halfarrow-left" style="height:0.716em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.716em" viewBox="0 0 400000 716" preserveAspectRatio="xMinYMin slice"><path d="M7 435c-4 4-6.3 8.7-7 14 0 5.3.7 9 2 11s5.3 5.3 12
10c90.7 54 156 130 196 228 3.3 10.7 6.3 16.3 9 17 2 .7 5 1 9 1h5c10.7 0 16.7
-2 18-6 2-2.7 1-9.7-3-21-32-87.3-82.7-157.7-152-211l-3-3h399907v-40H7zm93 0
v40h399900v-40zM0 241v40h399900v-40zm0 0v40h399900v-40z"></path></svg></span><span class="halfarrow-right" style="height:0.716em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.716em" viewBox="0 0 400000 716" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399993c4.7-4.7 7-9.3 7-14 0-9.3-3.7-15.3-11
-18-92.7-56.7-159-133.7-199-231-3.3-9.3-6-14.7-8-16-2-1.3-7-2-15-2-10.7 0-16.7
2-18 6-2 2.7-1 9.7 3 21 15.3 42 36.7 81.8 64 119.5 27.3 37.7 58 69.2 92 94.5z
m0 0v40h399900v-40z m100 194v40h399900v-40zm0 0v40h399900v-40z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.108em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xrightleftharpoons{abc}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">⇄</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xtofrom{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1251em;vertical-align:-0.014em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1111em;"><span style="top:-3.325em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.686em;"><span class="pstrut" style="height:2.7em;"></span><span class="stretchy" style="height:0.528em;min-width:1.75em;"><span class="halfarrow-left" style="height:0.528em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.528em" viewBox="0 0 400000 528" preserveAspectRatio="xMinYMin slice"><path d="M0 147h400000v40H0zm0 214c68 40 115.7 95.7 143 167h22c15.3 0 23
-.3 23-1 0-1.3-5.3-13.7-16-37-18-35.3-41.3-69-70-101l-7-8h399905v-40H95l7-8
c28.7-32 52-65.7 70-101 10.7-23.3 16-35.7 16-37 0-.7-7.7-1-23-1h-22C115.7 265.3
68 321 0 361zm0-174v-40h399900v40zm100 154v40h399900v-40z"></path></svg></span><span class="halfarrow-right" style="height:0.528em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.528em" viewBox="0 0 400000 528" preserveAspectRatio="xMaxYMin slice"><path d="M400000 167c-70.7-42-118-97.7-142-167h-23c-15.3 0-23 .3-23
1 0 1.3 5.3 13.7 16 37 18 35.3 41.3 69 70 101l7 8H0v40h399905l-7 8c-28.7 32
-52 65.7-70 101-10.7 23.3-16 35.7-16 37 0 .7 7.7 1 23 1h23c24-69.3 71.3-125 142
-167z M100 147v40h399900v-40zM0 341v40h399900v-40z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.014em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xtofrom{abc}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">↦</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xmapsto{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1191em;vertical-align:-0.011em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1081em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="stretchy" style="height:0.522em;min-width:1.5em;"><span class="halfarrow-left" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMinYMin slice"><path d="M40 281 V448H0V74H40V241H400000v40z
M40 281 V448H0V74H40V241H400000v40z"></path></svg></span><span class="halfarrow-right" style="height:0.522em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.011em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xmapsto{abc}</code></pur></td><td align="left"></td><td align="left"></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover><mo stretchy="true" minsize="3.0em">=</mo><mpadded width="+0.6em" lspace="0.3em"><mrow><mi>a</mi><mi>b</mi><mi>c</mi></mrow></mpadded></mover></mrow><annotation encoding="application/x-tex">\xlongequal{abc}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.0141em;"></span><span class="mrel x-arrow"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.0141em;"><span style="top:-3.228em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight x-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">ab</span><span class="mord mathnormal mtight">c</span></span></span></span><span class="svg-align" style="top:-2.783em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.334em;min-width:0.888em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.334em" viewBox="0 0 400000 334" preserveAspectRatio="xMinYMin slice"><path d="M0 50 h400000 v40H0z m0 194h40000v40H0z
M0 50 h400000 v40H0z m0 194h40000v40H0z"></path></svg></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\xlongequal{abc}</code></pur></td><td align="left"></td><td align="left"></td><td align="left"></td><td align="left"></td></tr></tbody></table>
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="符号和标点符号"><a aria-hidden="true" tabindex="-1" href="#符号和标点符号"><span class="icon icon-link"></span></a>符号和标点符号</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="符号和标点符号-1"><a aria-hidden="true" tabindex="-1" href="#符号和标点符号-1"><span class="icon icon-link"></span></a>符号和标点符号</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow></mrow><annotation encoding="application/x-tex">% comment</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"></span></span></td><td align="left"><pur><code>% comment</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>…</mo></mrow><annotation encoding="application/x-tex">\dots</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.123em;"></span><span class="minner">…</span></span></span></span></td><td align="left"><pur><code>\dots</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>KaTeX</mtext></mrow><annotation encoding="application/x-tex">\KaTeX</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8988em;vertical-align:-0.2155em;"></span><span class="mord text"><span class="mord textrm">K</span><span class="mspace" style="margin-right:-0.17em;"></span><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span style="top:-2.905em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord"><span class="mord textrm mtight sizing reset-size6 size3">A</span></span></span></span></span></span><span class="mspace" style="margin-right:-0.15em;"></span><span class="mord text"><span class="mord textrm">T</span><span class="mspace" style="margin-right:-0.1667em;"></span><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.4678em;"><span style="top:-2.7845em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord textrm">E</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2155em;"><span></span></span></span></span><span class="mspace" style="margin-right:-0.125em;"></span><span class="mord textrm">X</span></span></span></span></span></span></td><td align="left"><pur><code>\KaTeX</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">%</mi></mrow><annotation encoding="application/x-tex">\%</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8056em;vertical-align:-0.0556em;"></span><span class="mord">%</span></span></span></span></td><td align="left"><pur><code>\%</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋯</mo></mrow><annotation encoding="application/x-tex">\cdots</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.313em;"></span><span class="minner">⋯</span></span></span></span></td><td align="left"><pur><code>\cdots</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>LaTeX</mtext></mrow><annotation encoding="application/x-tex">\LaTeX</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8988em;vertical-align:-0.2155em;"></span><span class="mord text"><span class="mord textrm">L</span><span class="mspace" style="margin-right:-0.36em;"></span><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.6833em;"><span style="top:-2.905em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord"><span class="mord textrm mtight sizing reset-size6 size3">A</span></span></span></span></span></span><span class="mspace" style="margin-right:-0.15em;"></span><span class="mord text"><span class="mord textrm">T</span><span class="mspace" style="margin-right:-0.1667em;"></span><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.4678em;"><span style="top:-2.7845em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord textrm">E</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2155em;"><span></span></span></span></span><span class="mspace" style="margin-right:-0.125em;"></span><span class="mord textrm">X</span></span></span></span></span></span></td><td align="left"><pur><code>\LaTeX</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">#</mi></mrow><annotation encoding="application/x-tex">\#</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">#</span></span></span></span></td><td align="left"><pur><code>\#</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋱</mo></mrow><annotation encoding="application/x-tex">\ddots</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.823em;"></span><span class="minner">⋱</span></span></span></span></td><td align="left"><pur><code>\ddots</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>TeX</mtext></mrow><annotation encoding="application/x-tex">\TeX</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8988em;vertical-align:-0.2155em;"></span><span class="mord text"><span class="mord textrm">T</span><span class="mspace" style="margin-right:-0.1667em;"></span><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.4678em;"><span style="top:-2.7845em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord textrm">E</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2155em;"><span></span></span></span></span><span class="mspace" style="margin-right:-0.125em;"></span><span class="mord textrm">X</span></span></span></span></span></td><td align="left"><pur><code>\TeX</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">&#x26;</mi></mrow><annotation encoding="application/x-tex">\&#x26;</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">&#x26;</span></span></span></span></td><td align="left"><pur><code>\&#x26;</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>…</mo></mrow><annotation encoding="application/x-tex">\ldots</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.123em;"></span><span class="minner">…</span></span></span></span></td><td align="left"><pur><code>\ldots</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∇</mi></mrow><annotation encoding="application/x-tex">\nabla</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord">∇</span></span></span></span></td><td align="left"><pur><code>\nabla</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">_</mi></mrow><annotation encoding="application/x-tex">\_</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;vertical-align:-0.31em;"></span><span class="mord" style="margin-right:0.02778em;">_</span></span></span></span></td><td align="left"><pur><code>\_</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">⋮</mi><mpadded height="0em" voffset="0em"><mspace mathbackground="black" width="0em" height="1.5em"></mspace></mpadded></mrow><annotation encoding="application/x-tex">\vdots</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.53em;vertical-align:-0.03em;"></span><span class="mord"><span class="mord">⋮</span><span class="mord rule" style="border-right-width:0em;border-top-width:1.5em;bottom:0em;"></span></span></span></span></span></td><td align="left"><pur><code>\vdots</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∞</mi></mrow><annotation encoding="application/x-tex">\infty</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord">∞</span></span></span></span></td><td align="left"><pur><code>\infty</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>_</mtext></mrow><annotation encoding="application/x-tex">\text{\textunderscore}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;vertical-align:-0.31em;"></span><span class="mord text"><span class="mord">_</span></span></span></span></span></td><td align="left"><pur><code>\text{\textunderscore}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋯</mo></mrow><annotation encoding="application/x-tex">\dotsb</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.313em;"></span><span class="minner">⋯</span></span></span></span></td><td align="left"><pur><code>\dotsb</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∞</mi></mrow><annotation encoding="application/x-tex">\infin</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord">∞</span></span></span></span></td><td align="left"><pur><code>\infin</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>–</mtext></mrow><annotation encoding="application/x-tex">\text{--}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord text"><span class="mord">–</span></span></span></span></span></td><td align="left"><pur><code>\text{--}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>…</mo></mrow><annotation encoding="application/x-tex">\dotsc</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.123em;"></span><span class="minner">…</span></span></span></span></td><td align="left"><pur><code>\dotsc</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">✓</mi></mrow><annotation encoding="application/x-tex">\checkmark</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mord amsrm">✓</span></span></span></span></td><td align="left"><pur><code>\checkmark</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>–</mtext></mrow><annotation encoding="application/x-tex">\text{\textendash}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord text"><span class="mord">–</span></span></span></span></span></td><td align="left"><pur><code>\text{\textendash}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext> ⁣</mtext><mo>⋯</mo></mrow><annotation encoding="application/x-tex">\dotsi</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.313em;"></span><span class="mspace" style="margin-right:-0.1667em;"></span><span class="minner">⋯</span></span></span></span></td><td align="left"><pur><code>\dotsi</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">†</mi></mrow><annotation encoding="application/x-tex">\dag</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">†</span></span></span></span></td><td align="left"><pur><code>\dag</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>—</mtext></mrow><annotation encoding="application/x-tex">\text{---}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord text"><span class="mord">—</span></span></span></span></span></td><td align="left"><pur><code>\text{---}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋯</mo></mrow><annotation encoding="application/x-tex">\dotsm</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.313em;"></span><span class="minner">⋯</span></span></span></span></td><td align="left"><pur><code>\dotsm</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>†</mo></mrow><annotation encoding="application/x-tex">\dagger</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">†</span></span></span></span></td><td align="left"><pur><code>\dagger</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>—</mtext></mrow><annotation encoding="application/x-tex">\text{\textemdash}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord text"><span class="mord">—</span></span></span></span></span></td><td align="left"><pur><code>\text{\textemdash}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>…</mo></mrow><annotation encoding="application/x-tex">\dotso</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.123em;"></span><span class="minner">…</span></span></span></span></td><td align="left"><pur><code>\dotso</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>†</mtext></mrow><annotation encoding="application/x-tex">\text{\textdagger}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord text"><span class="mord">†</span></span></span></span></span></td><td align="left"><pur><code>\text{\textdagger}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>~</mtext></mrow><annotation encoding="application/x-tex">\text{\textasciitilde}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6679em;vertical-align:-0.35em;"></span><span class="mord text"><span class="mord">~</span></span></span></span></span></td><td align="left"><pur><code>\text{\textasciitilde}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋅</mo></mrow><annotation encoding="application/x-tex">\sdot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4445em;"></span><span class="mord">⋅</span></span></span></span></td><td align="left"><pur><code>\sdot</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">‡</mi></mrow><annotation encoding="application/x-tex">\ddag</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">‡</span></span></span></span></td><td align="left"><pur><code>\ddag</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>^</mtext></mrow><annotation encoding="application/x-tex">\text{\textasciicircum}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord">^</span></span></span></span></span></td><td align="left"><pur><code>\text{\textasciicircum}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>…</mo></mrow><annotation encoding="application/x-tex">\mathellipsis</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.123em;"></span><span class="minner">…</span></span></span></span></td><td align="left"><pur><code>\mathellipsis</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>‡</mo></mrow><annotation encoding="application/x-tex">\ddagger</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">‡</span></span></span></span></td><td align="left"><pur><code>\ddagger</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">‘</mi></mrow><annotation encoding="application/x-tex">`</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">‘</span></span></span></span></td><td align="left"><pur>`</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>…</mo></mrow><annotation encoding="application/x-tex">\text{\textellipsis}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.123em;"></span><span class="mord text"><span class="minner">…</span></span></span></span></span></td><td align="left"><pur><code>\text{\textellipsis}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>‡</mtext></mrow><annotation encoding="application/x-tex">\text{\textdaggerdbl}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord text"><span class="mord">‡</span></span></span></span></span></td><td align="left"><pur><code>\text{\textdaggerdbl}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>‘</mtext></mrow><annotation encoding="application/x-tex">\text{\textquoteleft}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord">‘</span></span></span></span></span></td><td align="left"><pur><code>text{\textquoteleft}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">□</mi></mrow><annotation encoding="application/x-tex">\Box</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.675em;"></span><span class="mord amsrm">□</span></span></span></span></td><td align="left"><pur><code>\Box</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>‡</mo></mrow><annotation encoding="application/x-tex">\Dagger</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">‡</span></span></span></span></td><td align="left"><pur><code>\Dagger</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">‘</mi></mrow><annotation encoding="application/x-tex">\lq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">‘</span></span></span></span></td><td align="left"><pur><code>\lq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">□</mi></mrow><annotation encoding="application/x-tex">\square</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.675em;"></span><span class="mord amsrm">□</span></span></span></span></td><td align="left"><pur><code>\square</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∠</mi></mrow><annotation encoding="application/x-tex">\angle</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mord">∠</span></span></span></span></td><td align="left"><pur><code>\angle</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>’</mtext></mrow><annotation encoding="application/x-tex">\text{\textquoteright}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord">’</span></span></span></span></span></td><td align="left"><pur><code>\text{\textquoteright}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">■</mi></mrow><annotation encoding="application/x-tex">\blacksquare</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.675em;"></span><span class="mord amsrm">■</span></span></span></span></td><td align="left"><pur><code>\blacksquare</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∡</mi></mrow><annotation encoding="application/x-tex">\measuredangle</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mord amsrm">∡</span></span></span></span></td><td align="left"><pur><code>\measuredangle</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mrow></mrow><mo mathvariant="normal" lspace="0em" rspace="0em">′</mo></msup></mrow><annotation encoding="application/x-tex">\rq</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.7519em;"></span><span class="mord"><span></span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.7519em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">′</span></span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\rq</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">△</mi></mrow><annotation encoding="application/x-tex">\triangle</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">△</span></span></span></span></td><td align="left"><pur><code>\triangle</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∢</mi></mrow><annotation encoding="application/x-tex">\sphericalangle</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5576em;vertical-align:-0.0352em;"></span><span class="mord amsrm">∢</span></span></span></span></td><td align="left"><pur><code>\sphericalangle</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>“</mtext></mrow><annotation encoding="application/x-tex">\text{\textquotedblleft}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord">“</span></span></span></span></span></td><td align="left"><pur><code>\text{\textquotedblleft}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">▽</mi></mrow><annotation encoding="application/x-tex">\triangledown</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">▽</span></span></span></span></td><td align="left"><pur><code>\triangledown</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">⊤</mi></mrow><annotation encoding="application/x-tex">\top</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">⊤</span></span></span></span></td><td align="left"><pur><code>\top</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">"</mi></mrow><annotation encoding="application/x-tex">"</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">"</span></span></span></span></td><td align="left"><pur><code>"</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>◃</mo></mrow><annotation encoding="application/x-tex">\triangleleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4653em;"></span><span class="mord">◃</span></span></span></span></td><td align="left"><pur><code>\triangleleft</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">⊥</mi></mrow><annotation encoding="application/x-tex">\bot</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">⊥</span></span></span></span></td><td align="left"><pur><code>\bot</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>”</mtext></mrow><annotation encoding="application/x-tex">\text{\textquotedblright}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord">”</span></span></span></span></span></td><td align="left"><pur><code>\text{\textquotedblright}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>▹</mo></mrow><annotation encoding="application/x-tex">\triangleright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4653em;"></span><span class="mord">▹</span></span></span></span></td><td align="left"><pur><code>\triangleright</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">$</mi></mrow><annotation encoding="application/x-tex">\$</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8056em;vertical-align:-0.0556em;"></span><span class="mord">$</span></span></span></span></td><td align="left"><pur><code>\$</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mspace></mspace><mspace width="0.1111em"></mspace><mo lspace="0em" rspace="0.17em"></mo><mtext> ⁣</mtext><mo lspace="0em" rspace="0em">:</mo><mspace width="0.3333em"></mspace></mrow><annotation encoding="application/x-tex">\colon</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mspace nobreak"></span><span class="mspace" style="margin-right:0.1111em;"></span><span class="mpunct"></span><span class="mspace" style="margin-right:-0.1667em;"></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord"><span class="mrel">:</span></span><span class="mspace" style="margin-right:0.3333em;"></span></span></span></span></td><td align="left"><pur><code>\colon</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>▽</mo></mrow><annotation encoding="application/x-tex">\bigtriangledown</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">▽</span></span></span></span></td><td align="left"><pur><code>\bigtriangledown</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>$</mtext></mrow><annotation encoding="application/x-tex">\text{\textdollar}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8056em;vertical-align:-0.0556em;"></span><span class="mord text"><span class="mord">$</span></span></span></span></span></td><td align="left"><pur><code>\text{\textdollar}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">‵</mi></mrow><annotation encoding="application/x-tex">\backprime</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">‵</span></span></span></span></td><td align="left"><pur><code>\backprime</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>△</mo></mrow><annotation encoding="application/x-tex">\bigtriangleup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">△</span></span></span></span></td><td align="left"><pur><code>\bigtriangleup</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">£</mi></mrow><annotation encoding="application/x-tex">\pounds</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">£</span></span></span></span></td><td align="left"><pur><code>\pounds</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo mathvariant="normal">′</mo></mrow><annotation encoding="application/x-tex">\prime</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5556em;"></span><span class="mord">′</span></span></span></span></td><td align="left"><pur><code>\prime</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">▲</mi></mrow><annotation encoding="application/x-tex">\blacktriangle</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">▲</span></span></span></span></td><td align="left"><pur><code>\blacktriangle</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">£</mi></mrow><annotation encoding="application/x-tex">\mathsterling</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">£</span></span></span></span></td><td align="left"><pur><code>\mathsterling</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>&#x3C;</mtext></mrow><annotation encoding="application/x-tex">\text{\textless}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mord text"><span class="mord">&#x3C;</span></span></span></span></span></td><td align="left"><pur><code>\text{\textless}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">▼</mi></mrow><annotation encoding="application/x-tex">\blacktriangledown</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5499em;"></span><span class="mord amsrm">▼</span></span></span></span></td><td align="left"><pur><code>\blacktriangledown</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>£</mtext></mrow><annotation encoding="application/x-tex">\text{\textsterling}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord">£</span></span></span></span></span></td><td align="left"><pur><code>\text{\textsterling}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>></mtext></mrow><annotation encoding="application/x-tex">\text{\textgreater}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5782em;vertical-align:-0.0391em;"></span><span class="mord text"><span class="mord">></span></span></span></span></span></td><td align="left"><pur><code>\text{\textgreater}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>◀</mo></mrow><annotation encoding="application/x-tex">\blacktriangleleft</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">◀</span></span></span></span></td><td align="left"><pur><code>\blacktriangleleft</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">¥</mi></mrow><annotation encoding="application/x-tex">\yen</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.675em;"></span><span class="mord amsrm" style="margin-right:0.025em;">¥</span></span></span></span></td><td align="left"><pur><code>\yen</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>|</mtext></mrow><annotation encoding="application/x-tex">\text{\textbar}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord text"><span class="mord">|</span></span></span></span></span></td><td align="left"><pur><code>\text{\textbar}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>▶</mo></mrow><annotation encoding="application/x-tex">\blacktriangleright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.585em;vertical-align:-0.0352em;"></span><span class="mrel amsrm">▶</span></span></span></span></td><td align="left"><pur><code>\blacktriangleright</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">√</mi></mrow><annotation encoding="application/x-tex">\surd</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.2em;"></span><span class="mord">√</span></span></span></span></td><td align="left"><pur><code>\surd</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>∥</mtext></mrow><annotation encoding="application/x-tex">\text{\textbardbl}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord text"><span class="mord">∥</span></span></span></span></span></td><td align="left"><pur><code>\text{\textbardbl}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋄</mo></mrow><annotation encoding="application/x-tex">\diamond</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4445em;"></span><span class="mord">⋄</span></span></span></span></td><td align="left"><pur><code>\diamond</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">°</mi></mrow><annotation encoding="application/x-tex">\degree</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord">°</span></span></span></span></td><td align="left"><pur><code>\degree</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>{</mtext></mrow><annotation encoding="application/x-tex">\text{\textbraceleft}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord text"><span class="mord">{</span></span></span></span></span></td><td align="left"><pur><code>\text{\textbraceleft}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">◊</mi></mrow><annotation encoding="application/x-tex">\Diamond</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8034em;vertical-align:-0.1111em;"></span><span class="mord amsrm">◊</span></span></span></span></td><td align="left"><pur><code>\Diamond</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>°</mtext></mrow><annotation encoding="application/x-tex">\text{\textdegree}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord text"><span class="mord">°</span></span></span></span></span></td><td align="left"><pur><code>\text{\textdegree}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>}</mtext></mrow><annotation encoding="application/x-tex">\text{\textbraceright}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord text"><span class="mord">}</span></span></span></span></span></td><td align="left"><pur><code>\text{\textbraceright}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">◊</mi></mrow><annotation encoding="application/x-tex">\lozenge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8034em;vertical-align:-0.1111em;"></span><span class="mord amsrm">◊</span></span></span></span></td><td align="left"><pur><code>\lozenge</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">℧</mi></mrow><annotation encoding="application/x-tex">\mho</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6889em;"></span><span class="mord amsrm">℧</span></span></span></span></td><td align="left"><pur><code>\mho</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>\</mtext></mrow><annotation encoding="application/x-tex">\text{\textbackslash}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord text"><span class="mord">\</span></span></span></span></span></td><td align="left"><pur><code>\text{\textbackslash}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">⧫</mi></mrow><annotation encoding="application/x-tex">\blacklozenge</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8034em;vertical-align:-0.1111em;"></span><span class="mord amsrm">⧫</span></span></span></span></td><td align="left"><pur><code>\blacklozenge</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">╲</mi></mrow><annotation encoding="application/x-tex">\diagdown</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9356em;vertical-align:-0.1944em;"></span><span class="mord amsrm">╲</span></span></span></span></td><td align="left"><pur><code>\diagdown</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext></mtext></mrow><annotation encoding="application/x-tex">\text{\P}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord text"><span class="mord"></span></span></span></span></span></td><td align="left"><pur><code>\text{\P}</code></pur> 或 <pur><code>\P</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo>⋆</mo></mrow><annotation encoding="application/x-tex">\star</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4653em;"></span><span class="mord">⋆</span></span></span></span></td><td align="left"><pur><code>\star</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">╱</mi></mrow><annotation encoding="application/x-tex">\diagup</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8833em;vertical-align:-0.1944em;"></span><span class="mord amsrm">╱</span></span></span></span></td><td align="left"><pur><code>\diagup</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>§</mtext></mrow><annotation encoding="application/x-tex">\text{\S}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord text"><span class="mord">§</span></span></span></span></span></td><td align="left"><pur><code>\text{\S}</code></pur> 或 <pur><code>\S</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">★</mi></mrow><annotation encoding="application/x-tex">\bigstar</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8867em;vertical-align:-0.1944em;"></span><span class="mord amsrm">★</span></span></span></span></td><td align="left"><pur><code>\bigstar</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♭</mi></mrow><annotation encoding="application/x-tex">\flat</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.75em;"></span><span class="mord">♭</span></span></span></span></td><td align="left"><pur><code>\flat</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>§</mtext></mrow><annotation encoding="application/x-tex">\text{\sect}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord text"><span class="mord">§</span></span></span></span></span></td><td align="left"><pur><code>\text{\sect}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♣</mi></mrow><annotation encoding="application/x-tex">\clubsuit</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8241em;vertical-align:-0.1296em;"></span><span class="mord">♣</span></span></span></span></td><td align="left"><pur><code>\clubsuit</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♮</mi></mrow><annotation encoding="application/x-tex">\natural</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">♮</span></span></span></span></td><td align="left"><pur><code>\natural</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>©</mtext></mrow><annotation encoding="application/x-tex">\copyright</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;"></span><span class="mord text"><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8889em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord">c</span></span></span><span style="top:-3.1944em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body accent-full" style="left:0em;top:.2em;"><span class="mord">◯</span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\copyright</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♣</mi></mrow><annotation encoding="application/x-tex">\clubs</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8241em;vertical-align:-0.1296em;"></span><span class="mord">♣</span></span></span></span></td><td align="left"><pur><code>\clubs</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♯</mi></mrow><annotation encoding="application/x-tex">\sharp</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord">♯</span></span></span></span></td><td align="left"><pur><code>\sharp</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">®</mi></mrow><annotation encoding="application/x-tex">\circledR</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8478em;vertical-align:-0.1556em;"></span><span class="mord amsrm">®</span></span></span></span></td><td align="left"><pur><code>\circledR</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♢</mi></mrow><annotation encoding="application/x-tex">\diamondsuit</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8241em;vertical-align:-0.1296em;"></span><span class="mord">♢</span></span></span></span></td><td align="left"><pur><code>\diamondsuit</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♡</mi></mrow><annotation encoding="application/x-tex">\heartsuit</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8241em;vertical-align:-0.1296em;"></span><span class="mord">♡</span></span></span></span></td><td align="left"><pur><code>\heartsuit</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext>®</mtext></mrow><annotation encoding="application/x-tex">\text{\textregistered}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;"></span><span class="mord text"><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8889em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord sizing reset-size6 size3">R</span></span></span><span style="top:-3.1944em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body accent-full" style="left:0em;top:.2em;"><span class="mord">◯</span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\text{\textregistered}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♢</mi></mrow><annotation encoding="application/x-tex">\diamonds</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8241em;vertical-align:-0.1296em;"></span><span class="mord">♢</span></span></span></span></td><td align="left"><pur><code>\diamonds</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♡</mi></mrow><annotation encoding="application/x-tex">\hearts</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8241em;vertical-align:-0.1296em;"></span><span class="mord">♡</span></span></span></span></td><td align="left"><pur><code>\hearts</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">Ⓢ</mi></mrow><annotation encoding="application/x-tex">\circledS</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8478em;vertical-align:-0.1556em;"></span><span class="mord amsrm">Ⓢ</span></span></span></span></td><td align="left"><pur><code>\circledS</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♠</mi></mrow><annotation encoding="application/x-tex">\spadesuit</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8241em;vertical-align:-0.1296em;"></span><span class="mord">♠</span></span></span></span></td><td align="left"><pur><code>\spadesuit</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">♠</mi></mrow><annotation encoding="application/x-tex">\spades</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8241em;vertical-align:-0.1296em;"></span><span class="mord">♠</span></span></span></span></td><td align="left"><pur><code>\spades</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover accent="true"><mtext>a</mtext><mo>◯</mo></mover></mrow><annotation encoding="application/x-tex">\text{\textcircled a}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;"></span><span class="mord text"><span class="mord accent"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8889em;"><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord">a</span></span><span style="top:-3.1944em;"><span class="pstrut" style="height:3em;"></span><span class="accent-body accent-full" style="left:0em;top:.2em;"><span class="mord">◯</span></span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\text{\textcircled a}</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">✠</mi></mrow><annotation encoding="application/x-tex">\maltese</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6922em;"></span><span class="mord amsrm">✠</span></span></span></span></td><td align="left"><pur><code>\maltese</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo lspace="0.22em" rspace="0.22em"><mi mathvariant="normal">⦵</mi></mo></mrow><annotation encoding="application/x-tex">\minuso</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6667em;vertical-align:-0.0833em;"></span><span class="mord"><span class="mord"><span class="mord vbox"><span class="thinbox"><span class="rlap"><span class="strut" style="height:0.4445em;"></span><span class="inner"><span class="mord"><span class="mspace" style="margin-right:0.145em;"></span><span class="mord">∘</span></span></span><span class="fix"></span></span></span></span><span class="mord"><span class="mord">−</span></span></span></span></span></span></span></td><td align="left"><pur><code>\minuso</code></pur></td></tr></tbody></table>
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="环境"><a aria-hidden="true" tabindex="-1" href="#环境"><span class="icon icon-link"></span></a>环境</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-1"><a aria-hidden="true" tabindex="-1" href="#环境-1"><span class="icon icon-link"></span></a>环境 1</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable rowspacing="0.16em" columnalign="center center" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>d</mi></mstyle></mtd></mtr></mtable><annotation encoding="application/x-tex">\begin{matrix}
a &#x26; b \\
c &#x26; d
\end{matrix}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4em;vertical-align:-0.95em;"></span><span class="mord"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex" style="flex:1;"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">matrix</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">matrix</span><span class="token punctuation">}</span>
</span></code></pre>
<!--rehype:style=flex:1;-->
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-2"><a aria-hidden="true" tabindex="-1" href="#环境-2"><span class="icon icon-link"></span></a>环境 2</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable rowspacing="0.16em" columnalign="center center" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>d</mi></mstyle></mtd></mtr></mtable><annotation encoding="application/x-tex">\begin{array}{cc}
a &#x26; b \\
c &#x26; d
\end{array}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4em;vertical-align:-0.95em;"></span><span class="mord"><span class="mtable"><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">array</span><span class="token punctuation">}</span><span class="token punctuation">{</span>cc<span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">array</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-3"><a aria-hidden="true" tabindex="-1" href="#环境-3"><span class="icon icon-link"></span></a>环境 3</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mo fence="true">(</mo><mtable rowspacing="0.16em" columnalign="center center" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>d</mi></mstyle></mtd></mtr></mtable><mo fence="true">)</mo></mrow><annotation encoding="application/x-tex">\begin{pmatrix}
a &#x26; b \\
c &#x26; d
\end{pmatrix}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4em;vertical-align:-0.95em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size3">(</span></span><span class="mord"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size3">)</span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex" style="flex:1;"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">pmatrix</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">pmatrix</span><span class="token punctuation">}</span>
</span></code></pre>
<!--rehype:style=flex:1;-->
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-4"><a aria-hidden="true" tabindex="-1" href="#环境-4"><span class="icon icon-link"></span></a>环境 4</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mo fence="true">[</mo><mtable rowspacing="0.16em" columnalign="center center" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>d</mi></mstyle></mtd></mtr></mtable><mo fence="true">]</mo></mrow><annotation encoding="application/x-tex">\begin{bmatrix}
a &#x26; b \\
c &#x26; d
\end{bmatrix}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4em;vertical-align:-0.95em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size3">[</span></span><span class="mord"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size3">]</span></span></span></span></span></span></span></pre>
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">bmatrix</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">bmatrix</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-5"><a aria-hidden="true" tabindex="-1" href="#环境-5"><span class="icon icon-link"></span></a>环境 5</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mo fence="true">∣</mo><mtable rowspacing="0.16em" columnalign="center center" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>d</mi></mstyle></mtd></mtr></mtable><mo fence="true">∣</mo></mrow><annotation encoding="application/x-tex">\begin{vmatrix}
a &#x26; b \\
c &#x26; d
\end{vmatrix}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4em;vertical-align:-0.95em;"></span><span class="minner"><span class="mopen"><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.45em;"><span class="pstrut" style="height:4.4em;"></span><span style="width:0.333em;height:2.400em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.333em" height="2.400em" viewBox="0 0 333 2400"><path d="M145 15 v585 v1200 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v-1200 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v1200 v585 h43z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span><span class="mord"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span></span><span class="mclose"><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.45em;"><span class="pstrut" style="height:4.4em;"></span><span style="width:0.333em;height:2.400em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.333em" height="2.400em" viewBox="0 0 333 2400"><path d="M145 15 v585 v1200 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v-1200 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v1200 v585 h43z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex" style="flex:1;"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">vmatrix</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">vmatrix</span><span class="token punctuation">}</span>
</span></code></pre>
<!--rehype:style=flex:1;-->
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-6"><a aria-hidden="true" tabindex="-1" href="#环境-6"><span class="icon icon-link"></span></a>环境 6</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mo fence="true">∥</mo><mtable rowspacing="0.16em" columnalign="center center" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>d</mi></mstyle></mtd></mtr></mtable><mo fence="true">∥</mo></mrow><annotation encoding="application/x-tex">\begin{Vmatrix}
a &#x26; b \\
c &#x26; d
\end{Vmatrix}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4em;vertical-align:-0.95em;"></span><span class="minner"><span class="mopen"><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.45em;"><span class="pstrut" style="height:4.4em;"></span><span style="width:0.556em;height:2.400em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.556em" height="2.400em" viewBox="0 0 556 2400"><path d="M145 15 v585 v1200 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v-1200 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v1200 v585 h43z
M367 15 v585 v1200 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v-1200 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M410 15 H367 v585 v1200 v585 h43z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span><span class="mord"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span></span><span class="mclose"><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.45em;"><span class="pstrut" style="height:4.4em;"></span><span style="width:0.556em;height:2.400em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.556em" height="2.400em" viewBox="0 0 556 2400"><path d="M145 15 v585 v1200 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v-1200 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v1200 v585 h43z
M367 15 v585 v1200 v585 c2.667,10,9.667,15,21,15
c10,0,16.667,-5,20,-15 v-585 v-1200 v-585 c-2.667,-10,-9.667,-15,-21,-15
c-10,0,-16.667,5,-20,15z M410 15 H367 v585 v1200 v585 h43z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex" style="flex:1;"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">Vmatrix</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">Vmatrix</span><span class="token punctuation">}</span>
</span></code></pre>
<!--rehype:style=flex:1;-->
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-7"><a aria-hidden="true" tabindex="-1" href="#环境-7"><span class="icon icon-link"></span></a>环境 7</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mo fence="true">{</mo><mtable rowspacing="0.16em" columnalign="center center" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>d</mi></mstyle></mtd></mtr></mtable><mo fence="true">}</mo></mrow><annotation encoding="application/x-tex">\begin{Bmatrix}
a &#x26; b \\
c &#x26; d
\end{Bmatrix}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.4em;vertical-align:-0.95em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size3">{</span></span><span class="mord"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.45em;"><span style="top:-3.61em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.95em;"><span></span></span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size3">}</span></span></span></span></span></span></span></pre>
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">Bmatrix</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">Bmatrix</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-8"><a aria-hidden="true" tabindex="-1" href="#环境-8"><span class="icon icon-link"></span></a>环境 8</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable rowspacing="0.66em" columnalign="center center center" columnlines="dashed dashed" columnspacing="1em" rowlines="solid dashed"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>b</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>d</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>e</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>f</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>g</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>h</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>i</mi></mstyle></mtd></mtr></mtable><annotation encoding="application/x-tex">\def\arraystretch{1.5}
\begin{array}{c:c:c}
a &#x26; b &#x26; c \\ \hline
d &#x26; e &#x26; f \\
\hdashline
g &#x26; h &#x26; i
\end{array}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:5.4em;vertical-align:-2.45em;"></span><span class="mord"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:2.95em;"><span style="top:-4.95em;"><span class="pstrut" style="height:4.95em;"></span><span class="mtable"><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:2.95em;"><span style="top:-4.95em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-3.15em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal">d</span></span></span><span style="top:-1.35em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.03588em;">g</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:2.45em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="vertical-separator" style="height:5.4em;border-right-width:0.04em;border-right-style:dashed;margin:0 -0.02em;vertical-align:-2.45em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:2.95em;"><span style="top:-4.95em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal">b</span></span></span><span style="top:-3.15em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal">e</span></span></span><span style="top:-1.35em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal">h</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:2.45em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span><span class="vertical-separator" style="height:5.4em;border-right-width:0.04em;border-right-style:dashed;margin:0 -0.02em;vertical-align:-2.45em;"></span><span class="arraycolsep" style="width:0.5em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:2.95em;"><span style="top:-4.95em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span><span style="top:-3.15em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.10764em;">f</span></span></span><span style="top:-1.35em;"><span class="pstrut" style="height:3.26em;"></span><span class="mord"><span class="mord mathnormal">i</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:2.45em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.5em;"></span></span></span><span style="top:-4.3em;"><span class="pstrut" style="height:4.95em;"></span><span class="hdashline" style="border-bottom-width:0.04em;"></span></span><span style="top:-6.1em;"><span class="pstrut" style="height:4.95em;"></span><span class="hline" style="border-bottom-width:0.04em;"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:2.45em;"><span></span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\def</span><span class="token function selector">\arraystretch</span><span class="token punctuation">{</span>1.5<span class="token punctuation">}</span>
</span><span class="code-line"> <span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">array</span><span class="token punctuation">}</span><span class="token punctuation">{</span>c:c:c<span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token punctuation">&#x26;</span> c <span class="token function selector">\\</span> <span class="token function selector">\hline</span>
</span><span class="code-line"> d <span class="token punctuation">&#x26;</span> e <span class="token punctuation">&#x26;</span> f <span class="token function selector">\\</span>
</span><span class="code-line"> <span class="token function selector">\hdashline</span>
</span><span class="code-line"> g <span class="token punctuation">&#x26;</span> h <span class="token punctuation">&#x26;</span> i
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">array</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-9"><a aria-hidden="true" tabindex="-1" href="#环境-9"><span class="icon icon-link"></span></a>环境 9</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mi>x</mi><mo>=</mo><mrow><mo fence="true">{</mo><mtable rowspacing="0.36em" columnalign="left left" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mrow><mtext>if </mtext><mi>b</mi></mrow></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mrow><mtext>if </mtext><mi>d</mi></mrow></mstyle></mtd></mtr></mtable></mrow></mrow><annotation encoding="application/x-tex">x = \begin{cases}
a &#x26;\text{if } b \\
c &#x26;\text{if } d
\end{cases}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal">x</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:3em;vertical-align:-1.25em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;"><span class="delimsizing size4">{</span></span><span class="mord"><span class="mtable"><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.69em;"><span style="top:-3.69em;"><span class="pstrut" style="height:3.008em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.25em;"><span class="pstrut" style="height:3.008em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.19em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:1em;"></span><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.69em;"><span style="top:-3.69em;"><span class="pstrut" style="height:3.008em;"></span><span class="mord"><span class="mord text"><span class="mord">if </span></span><span class="mord mathnormal">b</span></span></span><span style="top:-2.25em;"><span class="pstrut" style="height:3.008em;"></span><span class="mord"><span class="mord text"><span class="mord">if </span></span><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.19em;"><span></span></span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></span></pre>
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line">x = <span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">cases</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span><span class="token function selector">\text</span><span class="token punctuation">{</span>if <span class="token punctuation">}</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span><span class="token function selector">\text</span><span class="token punctuation">{</span>if <span class="token punctuation">}</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">cases</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-10"><a aria-hidden="true" tabindex="-1" href="#环境-10"><span class="icon icon-link"></span></a>环境 10</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mrow><mtable rowspacing="0.36em" columnalign="left left" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mrow><mtext>if </mtext><mi>b</mi></mrow></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="false"><mrow><mtext>if </mtext><mi>d</mi></mrow></mstyle></mtd></mtr></mtable><mo fence="true">}</mo></mrow><mo>⇒</mo><mo>…</mo></mrow><annotation encoding="application/x-tex">\begin{rcases}
a &#x26;\text{if } b \\
c &#x26;\text{if } d
\end{rcases}⇒…
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:3em;vertical-align:-1.25em;"></span><span class="minner"><span class="mopen nulldelimiter"></span><span class="mord"><span class="mtable"><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.69em;"><span style="top:-3.69em;"><span class="pstrut" style="height:3.008em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.25em;"><span class="pstrut" style="height:3.008em;"></span><span class="mord"><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.19em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:1em;"></span><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.69em;"><span style="top:-3.69em;"><span class="pstrut" style="height:3.008em;"></span><span class="mord"><span class="mord text"><span class="mord">if </span></span><span class="mord mathnormal">b</span></span></span><span style="top:-2.25em;"><span class="pstrut" style="height:3.008em;"></span><span class="mord"><span class="mord text"><span class="mord">if </span></span><span class="mord mathnormal">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.19em;"><span></span></span></span></span></span></span></span><span class="mclose delimcenter" style="top:0em;"><span class="delimsizing size4">}</span></span></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">⇒</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:0.123em;"></span><span class="minner">…</span></span></span></span></span></pre>
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">rcases</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span><span class="token function selector">\text</span><span class="token punctuation">{</span>if <span class="token punctuation">}</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span><span class="token function selector">\text</span><span class="token punctuation">{</span>if <span class="token punctuation">}</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">rcases</span><span class="token punctuation">}</span>⇒…
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-11"><a aria-hidden="true" tabindex="-1" href="#环境-11"><span class="icon icon-link"></span></a>环境 11</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mstyle scriptlevel="1"><mtable rowspacing="0.1em" columnspacing="0.2778em"><mtr><mtd><mstyle scriptlevel="1" displaystyle="false"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="1" displaystyle="false"><mi>b</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="1" displaystyle="false"><mi>c</mi></mstyle></mtd><mtd><mstyle scriptlevel="1" displaystyle="false"><mi>d</mi></mstyle></mtd></mtr></mtable></mstyle></mrow><annotation encoding="application/x-tex">\begin{smallmatrix}
a &#x26; b \\
c &#x26; d
\end{smallmatrix}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3322em;vertical-align:-0.4161em;"></span><span class="mord"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9161em;"><span style="top:-3.13em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord mtight sizing reset-size6 size3"><span class="mord mathnormal mtight">a</span></span></span><span style="top:-2.4639em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord mtight sizing reset-size6 size3"><span class="mord mathnormal mtight">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.4161em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.1945em;"></span><span class="arraycolsep" style="width:0.1945em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9161em;"><span style="top:-3.13em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord mtight sizing reset-size6 size3"><span class="mord mathnormal mtight">b</span></span></span><span style="top:-2.4639em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord mtight sizing reset-size6 size3"><span class="mord mathnormal mtight">d</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.4161em;"><span></span></span></span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">smallmatrix</span><span class="token punctuation">}</span>
</span><span class="code-line"> a <span class="token punctuation">&#x26;</span> b <span class="token function selector">\\</span>
</span><span class="code-line"> c <span class="token punctuation">&#x26;</span> d
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">smallmatrix</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-12"><a aria-hidden="true" tabindex="-1" href="#环境-12"><span class="icon icon-link"></span></a>环境 12</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><munder><mo>∑</mo><mstyle scriptlevel="1"><mtable rowspacing="0.1em" columnalign="left" columnspacing="1em"><mtr><mtd><mstyle scriptlevel="1" displaystyle="false"><mrow><mi>i</mi><mo>∈</mo><mi mathvariant="normal">Λ</mi></mrow></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="1" displaystyle="false"><mrow><mn>0</mn><mo>&#x3C;</mo><mi>j</mi><mo>&#x3C;</mo><mi>n</mi></mrow></mstyle></mtd></mtr></mtable></mstyle></munder></mrow><annotation encoding="application/x-tex">\sum_{
\begin{subarray}{l}
i\in\Lambda\\
0&#x3C;j&#x3C;n
\end{subarray}}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:3.0681em;vertical-align:-2.0181em;"></span><span class="mop op-limits"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.05em;"><span style="top:-1.5579em;margin-left:0em;"><span class="pstrut" style="height:3.05em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight"><span class="mtable"><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.1086em;"><span style="top:-3.1253em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord mtight"><span class="mord mathnormal mtight">i</span><span class="mrel mtight">∈</span><span class="mord mtight">Λ</span></span></span><span style="top:-2.2858em;"><span class="pstrut" style="height:2.7em;"></span><span class="mord mtight"><span class="mord mtight">0</span><span class="mrel mtight">&#x3C;</span><span class="mord mathnormal mtight" style="margin-right:0.05724em;">j</span><span class="mrel mtight">&#x3C;</span><span class="mord mathnormal mtight">n</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.6086em;"><span></span></span></span></span></span></span></span></span></span></span><span style="top:-3.05em;"><span class="pstrut" style="height:3.05em;"></span><span><span class="mop op-symbol large-op">∑</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:2.0181em;"><span></span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\sum</span>_<span class="token punctuation">{</span>
</span><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">subarray</span><span class="token punctuation">}</span><span class="token punctuation">{</span>l<span class="token punctuation">}</span>
</span><span class="code-line"> i<span class="token function selector">\in</span><span class="token function selector">\Lambda</span><span class="token function selector">\\</span>
</span><span class="code-line"> 0&#x3C;j&#x3C;n
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">subarray</span><span class="token punctuation">}</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-13"><a aria-hidden="true" tabindex="-1" href="#环境-13"><span class="icon icon-link"></span></a>环境 13</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable rowspacing="0.16em" columnspacing="1em"><mtr><mtd class="mtr-glue"></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mtable rowspacing="0.25em" columnalign="right left" columnspacing="0em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="true"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow></mrow><mo>=</mo><mi>b</mi><mo>+</mo><mi>c</mi></mrow></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow></mrow></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow></mrow><mo>=</mo><mi>e</mi><mo>+</mo><mi>f</mi></mrow></mstyle></mtd></mtr></mtable></mstyle></mtd><mtd class="mtr-glue"></mtd><mtd class="mml-eqn-num"></mtd></mtr></mtable><annotation encoding="application/x-tex">\begin{equation}
\begin{split} a &#x26;=b+c\\
&#x26;=e+f
\end{split}
\end{equation}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:3em;vertical-align:-1.25em;"></span><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.75em;"><span class="pstrut" style="height:3.75em;"></span><span class="mord"><span class="mord"><span class="mtable"><span class="col-align-r"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal">b</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">c</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal">e</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal" style="margin-right:0.10764em;">f</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span><span class="tag"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.75em;"><span class="pstrut" style="height:3.75em;"></span><span class="eqn-num"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">equation</span><span class="token punctuation">}</span><span class="token equation string">
</span></span><span class="code-line"><span class="token equation string"><span class="token equation-command regex">\begin</span>{split} a &#x26;=b+c<span class="token equation-command regex">\\</span>
</span></span><span class="code-line"><span class="token equation string"> &#x26;=e+f
</span></span><span class="code-line"><span class="token equation string"><span class="token equation-command regex">\end</span>{split}
</span></span><span class="code-line"><span class="token equation string"></span><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">equation</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-14"><a aria-hidden="true" tabindex="-1" href="#环境-14"><span class="icon icon-link"></span></a>环境 14</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable rowspacing="0.25em" columnalign="right left" columnspacing="0em"><mtr><mtd class="mtr-glue"></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mi>a</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow></mrow><mo>=</mo><mi>b</mi><mo>+</mo><mi>c</mi></mrow></mstyle></mtd><mtd class="mtr-glue"></mtd><mtd class="mml-eqn-num"></mtd></mtr><mtr><mtd class="mtr-glue"></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mi>d</mi><mo>+</mo><mi>e</mi></mrow></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow></mrow><mo>=</mo><mi>f</mi></mrow></mstyle></mtd><mtd class="mtr-glue"></mtd><mtd class="mml-eqn-num"></mtd></mtr></mtable><annotation encoding="application/x-tex">\begin{align}
a&#x26;=b+c \\
d+e&#x26;=f
\end{align}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:3em;vertical-align:-1.25em;"></span><span class="mtable"><span class="col-align-r"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">d</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">e</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal">b</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">c</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord"></span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal" style="margin-right:0.10764em;">f</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span><span class="tag"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.75em;"><span class="pstrut" style="height:2.84em;"></span><span class="eqn-num"></span></span><span style="top:-2.25em;"><span class="pstrut" style="height:2.84em;"></span><span class="eqn-num"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">align</span><span class="token punctuation">}</span><span class="token equation string">
</span></span><span class="code-line"><span class="token equation string"> a&#x26;=b+c <span class="token equation-command regex">\\</span>
</span></span><span class="code-line"><span class="token equation string"> d+e&#x26;=f
</span></span><span class="code-line"><span class="token equation string"></span><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">align</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-15"><a aria-hidden="true" tabindex="-1" href="#环境-15"><span class="icon icon-link"></span></a>环境 15</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable rowspacing="0.25em" columnalign="center" columnspacing="0em"><mtr><mtd class="mtr-glue"></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mi>a</mi><mo>=</mo><mi>b</mi></mrow></mstyle></mtd><mtd class="mtr-glue"></mtd><mtd class="mml-eqn-num"></mtd></mtr><mtr><mtd class="mtr-glue"></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mi>e</mi><mo>=</mo><mi>b</mi><mo>+</mo><mi>c</mi></mrow></mstyle></mtd><mtd class="mtr-glue"></mtd><mtd class="mml-eqn-num"></mtd></mtr></mtable><annotation encoding="application/x-tex">\begin{gather}
a=b \\
e=b+c
\end{gather}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:3em;vertical-align:-1.25em;"></span><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">a</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal">b</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord mathnormal">e</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal">b</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mbin">+</span><span class="mspace" style="margin-right:0.2222em;"></span><span class="mord mathnormal">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span><span class="tag"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.75em;"><span class="pstrut" style="height:2.84em;"></span><span class="eqn-num"></span></span><span style="top:-2.25em;"><span class="pstrut" style="height:2.84em;"></span><span class="eqn-num"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">gather</span><span class="token punctuation">}</span><span class="token equation string">
</span></span><span class="code-line"><span class="token equation string"> a=b <span class="token equation-command regex">\\</span>
</span></span><span class="code-line"><span class="token equation string"> e=b+c
</span></span><span class="code-line"><span class="token equation string"></span><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">gather</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-16"><a aria-hidden="true" tabindex="-1" href="#环境-16"><span class="icon icon-link"></span></a>环境 16</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable rowspacing="0.25em" columnalign="right left right left" columnspacing="0em"><mtr><mtd class="mtr-glue"></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mn>10</mn></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow></mrow><mi>x</mi><mo>+</mo></mrow></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mn>3</mn></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow></mrow><mi>y</mi><mo>=</mo><mn>2</mn></mrow></mstyle></mtd><mtd class="mtr-glue"></mtd><mtd class="mml-eqn-num"></mtd></mtr><mtr><mtd class="mtr-glue"></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mn>3</mn></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow></mrow><mi>x</mi><mo>+</mo></mrow></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mn>13</mn></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow></mrow><mi>y</mi><mo>=</mo><mn>4</mn></mrow></mstyle></mtd><mtd class="mtr-glue"></mtd><mtd class="mml-eqn-num"></mtd></mtr></mtable><annotation encoding="application/x-tex">\begin{alignat}{2}
10&#x26;x+&#x26;3&#x26;y=2\\
3&#x26;x+&#x26;13&#x26;y=4
\end{alignat}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:3em;vertical-align:-1.25em;"></span><span class="mtable"><span class="col-align-r"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord">10</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord">3</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord"></span><span class="mord mathnormal">x</span><span class="mord">+</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord"></span><span class="mord mathnormal">x</span><span class="mord">+</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span><span class="col-align-r"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord">3</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord">13</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span><span class="col-align-l"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.91em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord"></span><span class="mord mathnormal" style="margin-right:0.03588em;">y</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord">2</span></span></span><span style="top:-2.41em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord"></span><span class="mord mathnormal" style="margin-right:0.03588em;">y</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord">4</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span><span class="tag"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.75em;"><span style="top:-3.75em;"><span class="pstrut" style="height:2.84em;"></span><span class="eqn-num"></span></span><span style="top:-2.25em;"><span class="pstrut" style="height:2.84em;"></span><span class="eqn-num"></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.25em;"><span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">alignat</span><span class="token punctuation">}</span><span class="token punctuation">{</span>2<span class="token punctuation">}</span>
</span><span class="code-line"> 10<span class="token punctuation">&#x26;</span>x+<span class="token punctuation">&#x26;</span>3<span class="token punctuation">&#x26;</span>y=2<span class="token function selector">\\</span>
</span><span class="code-line"> 3<span class="token punctuation">&#x26;</span>x+<span class="token punctuation">&#x26;</span>13<span class="token punctuation">&#x26;</span>y=4
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">alignat</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="环境-17"><a aria-hidden="true" tabindex="-1" href="#环境-17"><span class="icon icon-link"></span></a>环境 17</h3><div style="display: flex;flex-direction: row;justify-content: flex-start;display: flex;flex-direction: row;justify-content: flex-start;" class="wrap-body">
<!--rehype:body-style=display: flex;flex-direction: row;justify-content: flex-start;-->
<pre style="flex:1;" class="language-katex"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mtable rowspacing="0.25em" columnalign="center center center" columnspacing="0.5em"><mtr><mtd><mstyle scriptlevel="0" displaystyle="true"><mi>A</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><munderover><mo stretchy="true" minsize="3.0em">→</mo><mpadded width="+0.6em" lspace="0.3em"><mrow></mrow></mpadded><mpadded width="+0.6em" lspace="0.3em"><mi>a</mi></mpadded></munderover></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mi>B</mi></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow><mstyle displaystyle="false" scriptlevel="1"><mpadded width="0" lspace="-1width" voffset="0.7em"><mrow><mi>b</mi></mrow></mpadded></mstyle><mo fence="false" stretchy="true" minsize="1.8em" maxsize="1.8em">↓</mo><mstyle displaystyle="false" scriptlevel="1"><mpadded width="0" voffset="0.7em"><mrow><mrow></mrow></mrow></mpadded></mstyle></mrow></mrow></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mrow><mrow><mstyle displaystyle="false" scriptlevel="1"><mpadded width="0" lspace="-1width" voffset="0.7em"><mrow><mrow></mrow></mrow></mpadded></mstyle><mo fence="false" stretchy="true" minsize="1.8em" maxsize="1.8em">↑</mo><mstyle displaystyle="false" scriptlevel="1"><mpadded width="0" voffset="0.7em"><mrow><mi>c</mi></mrow></mpadded></mstyle></mrow></mrow></mstyle></mtd></mtr><mtr><mtd><mstyle scriptlevel="0" displaystyle="true"><mi>C</mi></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mover><mo stretchy="true" minsize="3.0em">=</mo><mpadded width="+0.6em" lspace="0.3em"></mpadded></mover></mstyle></mtd><mtd><mstyle scriptlevel="0" displaystyle="true"><mi>D</mi></mstyle></mtd></mtr><mtr></mtr></mtable><annotation encoding="application/x-tex">\begin{CD}
A @>a>> B \\
@VbVV @AAcA \\
C @= D
\end{CD}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:5.3053em;vertical-align:-1.6062em;"></span><span class="mord"><span class="mtable"><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:3.6992em;"><span style="top:-5.9268em;"><span class="pstrut" style="height:3.151em;"></span><span class="mord mathnormal">A</span></span><span style="top:-4.0879em;"><span class="pstrut" style="height:3.151em;"></span><span class="mord cd-vert-arrow"><span class="sizing reset-size6 size3 mtight cd-label-left" style="bottom:0.8em;"><span class="mord mtight"><span class="mord mathnormal mtight">b</span></span></span><span class="mord"><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.151em;"><span style="top:-1.966em;"><span class="pstrut" style="height:2.616em;"></span><span class="delimsizinginner delim-size1"><span>↓</span></span></span><span style="top:-2.558em;"><span class="pstrut" style="height:2.616em;"></span><span style="height:0.616em;width:0.6667em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.6667em" height="0.616em" style="width:0.6667em" viewBox="0 0 666.67 616" preserveAspectRatio="xMinYMin"><path d="M312 0 H355 V616 H312z M312 0 H355 V616 H312z"></path></svg></span></span><span style="top:-3.166em;"><span class="pstrut" style="height:2.616em;"></span><span class="delimsizinginner delim-size1"><span>⏐</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.65em;"><span></span></span></span></span></span></span><span class="sizing reset-size6 size3 mtight cd-label-right" style="bottom:0.8em;"><span class="mord mtight"></span></span></span></span><span style="top:-2.2327em;"><span class="pstrut" style="height:3.151em;"></span><span class="mord mathnormal" style="margin-right:0.07153em;">C</span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.6062em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.25em;"></span><span class="arraycolsep" style="width:0.25em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:3.6992em;"><span style="top:-5.9268em;"><span class="pstrut" style="height:3.151em;"></span><span class="mrel x-arrow"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9234em;"><span style="top:-3.322em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight cd-arrow-pad"><span class="mord mtight"><span class="mord mathnormal mtight">a</span></span></span></span><span class="svg-align" style="top:-2.689em;"><span class="pstrut" style="height:2.7em;"></span><span class="hide-tail" style="height:0.522em;min-width:3em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.522em" viewBox="0 0 400000 522" preserveAspectRatio="xMaxYMin slice"><path d="M0 241v40h399891c-47.3 35.3-84 78-110 128
-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20
11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7
39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85
-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5
-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67
151.7 139 205zm0 0v40h399900v-40z"></path></svg></span></span><span style="top:-2.578em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight cd-arrow-pad"><span class="mord mtight"></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.122em;"><span></span></span></span></span></span></span><span style="top:-4.0879em;"><span class="pstrut" style="height:3.151em;"></span></span><span style="top:-2.2327em;"><span class="pstrut" style="height:3.151em;"></span><span class="mrel x-arrow"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.528em;"><span style="top:-2.862em;"><span class="pstrut" style="height:2.334em;"></span><span class="cd-arrow-pad"></span></span><span class="svg-align" style="top:-2.417em;"><span class="pstrut" style="height:2.334em;"></span><span class="hide-tail" style="height:0.334em;min-width:3em;"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="0.334em" viewBox="0 0 400000 334" preserveAspectRatio="xMinYMin slice"><path d="M0 50 h400000 v40H0z m0 194h40000v40H0z
M0 50 h400000 v40H0z m0 194h40000v40H0z"></path></svg></span></span></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.6062em;"><span></span></span></span></span></span><span class="arraycolsep" style="width:0.25em;"></span><span class="arraycolsep" style="width:0.25em;"></span><span class="col-align-c"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:3.6992em;"><span style="top:-5.9268em;"><span class="pstrut" style="height:3.151em;"></span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span><span style="top:-4.0879em;"><span class="pstrut" style="height:3.151em;"></span><span class="mord cd-vert-arrow"><span class="sizing reset-size6 size3 mtight cd-label-left" style="bottom:0.8em;"><span class="mord mtight"></span></span><span class="mord"><span class="delimsizing mult"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.151em;"><span style="top:-1.966em;"><span class="pstrut" style="height:2.616em;"></span><span class="delimsizinginner delim-size1"><span>⏐</span></span></span><span style="top:-2.559em;"><span class="pstrut" style="height:2.616em;"></span><span style="height:0.616em;width:0.6667em;"><svg xmlns="http://www.w3.org/2000/svg" width="0.6667em" height="0.616em" style="width:0.6667em" viewBox="0 0 666.67 616" preserveAspectRatio="xMinYMin"><path d="M312 0 H355 V616 H312z M312 0 H355 V616 H312z"></path></svg></span></span><span style="top:-3.167em;"><span class="pstrut" style="height:2.616em;"></span><span class="delimsizinginner delim-size1"><span>↑</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.65em;"><span></span></span></span></span></span></span><span class="sizing reset-size6 size3 mtight cd-label-right" style="bottom:0.8em;"><span class="mord mtight"><span class="mord mathnormal mtight">c</span></span></span></span></span><span style="top:-2.2327em;"><span class="pstrut" style="height:3.151em;"></span><span class="mord mathnormal" style="margin-right:0.02778em;">D</span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.6062em;"><span></span></span></span></span></span></span></span></span></span></span></span></pre>
<!--rehype:style=flex:1;-->
<pre class="language-latex"><code class="language-LaTeX code-highlight"><span class="code-line"><span class="token function selector">\begin</span><span class="token punctuation">{</span><span class="token keyword">CD</span><span class="token punctuation">}</span>
</span><span class="code-line"> A @>a>> B <span class="token function selector">\\</span>
</span><span class="code-line">@VbVV @AAcA <span class="token function selector">\\</span>
</span><span class="code-line"> C @= D
</span><span class="code-line"><span class="token function selector">\end</span><span class="token punctuation">{</span><span class="token keyword">CD</span><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="样式颜色大小和字体"><a aria-hidden="true" tabindex="-1" href="#样式颜色大小和字体"><span class="icon icon-link"></span></a>样式、颜色、大小和字体</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="color-颜色"><a aria-hidden="true" tabindex="-1" href="#color-颜色"><span class="icon icon-link"></span></a>Color 颜色</h3><div class="wrap-body">
<table><thead><tr><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathcolor="blue"><mi>F</mi><mo>=</mo><mi>m</mi><mi>a</mi></mstyle></mrow><annotation encoding="application/x-tex">\color{blue} F=ma</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;color:blue;">F</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel" style="color:blue;">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="color:blue;">ma</span></span></span></span></td><td align="left"><pur><code>\color{blue} F=ma</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathcolor="blue"><mi>F</mi><mo>=</mo><mi>m</mi><mi>a</mi></mstyle></mrow><annotation encoding="application/x-tex">\textcolor{blue}{F=ma}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;color:blue;">F</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel" style="color:blue;">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="color:blue;">ma</span></span></span></span></td><td align="left"><pur><code>\textcolor{blue}{F=ma}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathcolor="#228B22"><mi>F</mi><mo>=</mo><mi>m</mi><mi>a</mi></mstyle></mrow><annotation encoding="application/x-tex">\textcolor{#228B22}{F=ma}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;color:#228B22;">F</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel" style="color:#228B22;">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="color:#228B22;">ma</span></span></span></span></td><td align="left"><pur><code>\textcolor{#228B22}{F=ma}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mpadded width="+6pt" height="+6pt" lspace="3pt" voffset="3pt" mathbackground="aqua"><mstyle scriptlevel="0" displaystyle="false"><mi>F</mi><mo>=</mo><mi>m</mi><mi>a</mi></mstyle></mpadded></mrow><annotation encoding="application/x-tex">\colorbox{aqua}{$F=ma$}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.2833em;vertical-align:-0.3em;"></span><span class="mord"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.9833em;"><span style="top:-2.9833em;"><span class="pstrut" style="height:3.2833em;"></span><span class="stretchy colorbox" style="height:1.2833em;background-color:aqua;"></span></span><span style="top:-3.2833em;"><span class="pstrut" style="height:3.2833em;"></span><span class="mord boxpad"><span class="mord mathnormal" style="margin-right:0.13889em;">F</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal">ma</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.3em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\colorbox{aqua}{$F=ma$}</code></pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mpadded width="+6pt" height="+6pt" lspace="3pt" voffset="3pt" style="border: 0.04em solid red" mathbackground="aqua"><mstyle scriptlevel="0" displaystyle="false"><mi>F</mi><mo>=</mo><mi>m</mi><mi>a</mi></mstyle></mpadded></mrow><annotation encoding="application/x-tex">\fcolorbox{red}{aqua}{$F=ma$}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3633em;vertical-align:-0.34em;"></span><span class="mord"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.0233em;"><span style="top:-3.0233em;"><span class="pstrut" style="height:3.3633em;"></span><span class="stretchy fcolorbox" style="height:1.3633em;border-style:solid;border-width:0.04em;background-color:aqua;border-color:red;"></span></span><span style="top:-3.3633em;"><span class="pstrut" style="height:3.3633em;"></span><span class="mord boxpad"><span class="mord mathnormal" style="margin-right:0.13889em;">F</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mord mathnormal">ma</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.34em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur><code>\fcolorbox{red}{aqua}{$F=ma$}</code></pur></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="字体"><a aria-hidden="true" tabindex="-1" href="#字体"><span class="icon icon-link"></span></a>字体</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-2-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="2.488em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\Huge AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.7001em;"></span><span class="mord mathnormal sizing reset-size6 size11">A</span><span class="mord mathnormal sizing reset-size6 size11" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\Huge AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="1em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\normalsize AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\normalsize AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="1em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\normalsize AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal">A</span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur>\normalsize AB</pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="2.074em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\huge AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.4172em;"></span><span class="mord mathnormal sizing reset-size6 size10">A</span><span class="mord mathnormal sizing reset-size6 size10" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\huge AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="2.074em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\huge AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.4172em;"></span><span class="mord mathnormal sizing reset-size6 size10">A</span><span class="mord mathnormal sizing reset-size6 size10" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\huge AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="0.9em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\small AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.615em;"></span><span class="mord mathnormal sizing reset-size6 size5">A</span><span class="mord mathnormal sizing reset-size6 size5" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur>\small AB</pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="1.728em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\LARGE AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1808em;"></span><span class="mord mathnormal sizing reset-size6 size9">A</span><span class="mord mathnormal sizing reset-size6 size9" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\LARGE AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="1.728em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\LARGE AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.1808em;"></span><span class="mord mathnormal sizing reset-size6 size9">A</span><span class="mord mathnormal sizing reset-size6 size9" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\LARGE AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="0.8em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\footnotesize AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5467em;"></span><span class="mord mathnormal sizing reset-size6 size4">A</span><span class="mord mathnormal sizing reset-size6 size4" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur>\footnotesize AB</pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="1.44em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\Large AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.984em;"></span><span class="mord mathnormal sizing reset-size6 size8">A</span><span class="mord mathnormal sizing reset-size6 size8" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\Large AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="1.44em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\Large AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.984em;"></span><span class="mord mathnormal sizing reset-size6 size8">A</span><span class="mord mathnormal sizing reset-size6 size8" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\Large AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="0.7em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\scriptsize AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4783em;"></span><span class="mord mathnormal sizing reset-size6 size3">A</span><span class="mord mathnormal sizing reset-size6 size3" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur>\scriptsize AB</pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="1.2em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\large AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.82em;"></span><span class="mord mathnormal sizing reset-size6 size7">A</span><span class="mord mathnormal sizing reset-size6 size7" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\large AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="1.2em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\large AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.82em;"></span><span class="mord mathnormal sizing reset-size6 size7">A</span><span class="mord mathnormal sizing reset-size6 size7" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur><code>\large AB</code></pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle mathsize="0.5em"><mi>A</mi><mi>B</mi></mstyle></mrow><annotation encoding="application/x-tex">\tiny AB</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3417em;"></span><span class="mord mathnormal sizing reset-size6 size1">A</span><span class="mord mathnormal sizing reset-size6 size1" style="margin-right:0.05017em;">B</span></span></span></span></td><td align="left"><pur>\tiny AB</pur></td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist col-span-3"><div class="wrap-header h3wrap"><h3 id="样式"><a aria-hidden="true" tabindex="-1" href="#样式"><span class="icon icon-link"></span></a>样式</h3><div class="wrap-body">
<!--rehype:wrap-class=col-span-3-->
<table><thead><tr><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th><th align="left">:-</th></tr></thead><tbody><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle scriptlevel="0" displaystyle="true"><munderover><mo>∑</mo><mrow><mi>i</mi><mo>=</mo><mn>1</mn></mrow><mi>n</mi></munderover></mstyle></mrow><annotation encoding="application/x-tex">\displaystyle\sum_{i=1}^n</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.9291em;vertical-align:-1.2777em;"></span><span class="mop op-limits"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.6514em;"><span style="top:-1.8723em;margin-left:0em;"><span class="pstrut" style="height:3.05em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">i</span><span class="mrel mtight">=</span><span class="mord mtight">1</span></span></span></span><span style="top:-3.05em;"><span class="pstrut" style="height:3.05em;"></span><span><span class="mop op-symbol large-op">∑</span></span></span><span style="top:-4.3em;margin-left:0em;"><span class="pstrut" style="height:3.05em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">n</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:1.2777em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur>\displaystyle\sum_{i=1}^n</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle scriptlevel="0" displaystyle="false"><msubsup><mo>∑</mo><mrow><mi>i</mi><mo>=</mo><mn>1</mn></mrow><mi>n</mi></msubsup></mstyle></mrow><annotation encoding="application/x-tex">\textstyle\sum_{i=1}^n</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.104em;vertical-align:-0.2997em;"></span><span class="mop"><span class="mop op-symbol small-op" style="position:relative;top:0em;">∑</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8043em;"><span style="top:-2.4003em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathnormal mtight">i</span><span class="mrel mtight">=</span><span class="mord mtight">1</span></span></span></span><span style="top:-3.2029em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">n</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2997em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur>\textstyle\sum_{i=1}^n</pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle scriptlevel="1" displaystyle="false"><mi>x</mi></mstyle></mrow><annotation encoding="application/x-tex">\scriptstyle x</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.3014em;"></span><span class="mord mathnormal mtight sizing reset-size6 size3">x</span></span></span></span></td><td align="left"><pur>\scriptstyle x</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mstyle scriptlevel="2" displaystyle="false"><mi>x</mi></mstyle></mrow><annotation encoding="application/x-tex">\scriptscriptstyle x</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.2153em;"></span><span class="mord mathnormal mtight sizing reset-size6 size1">x</span></span></span></span></td><td align="left"><pur>\scriptscriptstyle x</pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><munder><mrow><mi>lim</mi><mo>⁡</mo></mrow><mi>x</mi></munder></mrow><annotation encoding="application/x-tex">\lim\limits_x</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.3944em;vertical-align:-0.7em;"></span><span class="mop op-limits"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.6944em;"><span style="top:-2.4em;margin-left:0em;"><span class="pstrut" style="height:3em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">x</span></span></span><span style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span><span class="mop">lim</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.7em;"><span></span></span></span></span></span></span></span></span></td><td align="left"><pur>\lim\limits_x</pur></td><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mrow><mi>lim</mi><mo>⁡</mo></mrow><mi>x</mi></msub></mrow><annotation encoding="application/x-tex">\lim\nolimits_x</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8444em;vertical-align:-0.15em;"></span><span class="mop"><span class="mop">lim</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">x</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></td><td align="left"><pur>\lim\nolimits_x</pur></td></tr><tr><td align="left"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mtext mathvariant="monospace">x^2</mtext></mrow><annotation encoding="application/x-tex">\verb!x^2!</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6111em;"></span><span class="mord text"><span class="mord texttt">x^2</span></span></span></span></span></td><td align="left"><pur>\verb!x^2!</pur></td><td align="left"></td><td align="left"></td></tr></tbody></table>
</div></div></div></div></div><div class="wrap h2body-not-exist"><div class="wrap-header h2wrap"><h2 id="另见"><a aria-hidden="true" tabindex="-1" href="#另见"><span class="icon icon-link"></span></a>另见</h2><div class="wrap-body">
<ul>
<li><a href="https://www.latex-project.org/">LaTeX 官网</a> <em>(latex-project.org)</em></li>
<li><a href="https://katex.org/">KaTeX 官网</a> <em>(katex.org)</em></li>
<li><a href="https://www.cmor-faculty.rice.edu/~heinken/latex/symbols.pdf">symbols.pdf</a> <em>(cmor-faculty.rice.edu)</em></li>
</ul>
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