<?xml version="1.0" encoding="UTF-8"?>
<?latexml class="book" options="a4paper"?>
<?latexml package="amsmath"?>
<?latexml RelaxNGSchema="LaTeXML"?>
<document xmlns="http://dlmf.nist.gov/LaTeXML">
<resource src="LaTeXML.css" type="text/css"/>
<resource src="ltx-book.css" type="text/css"/>
<para xml:id="p1">
<p>Plain aligns</p>
</para>
<para xml:id="p2">
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx1">
<equation xml:id="Ch0.E1">
<tags>
<tag>(1)</tag>
<tag role="refnum">1</tag>
</tags>
<MathFork>
<Math tex="\displaystyle A=B" text="A = B" xml:id="Ch0.E1.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A=" text="A = absent" xml:id="Ch0.E1.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle B" text="B" xml:id="Ch0.E1.m2">
<XMath>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E2">
<tags>
<tag>(2)</tag>
<tag role="refnum">2</tag>
</tags>
<MathFork>
<Math tex="\displaystyle C=D" text="C = D" xml:id="Ch0.E2.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle C=" text="C = absent" xml:id="Ch0.E2.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle D" text="D" xml:id="Ch0.E2.m2">
<XMath>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p3">
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx2">
<equation xml:id="Ch0.E4">
<tags>
<tag>(4)</tag>
<tag role="refnum">4</tag>
</tags>
<MathFork>
<Math tex="\displaystyle A=B" text="A = B" xml:id="Ch0.E4.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A=" text="A = absent" xml:id="Ch0.E4.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle B" text="B" xml:id="Ch0.E4.m2">
<XMath>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E5">
<tags>
<tag>(5)</tag>
<tag role="refnum">5</tag>
</tags>
<MathFork>
<Math tex="\displaystyle C=D" text="C = D" xml:id="Ch0.E5.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle C=" text="C = absent" xml:id="Ch0.E5.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle D" text="D" xml:id="Ch0.E5.m2">
<XMath>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.Ex1">
<MathFork>
<Math tex="\displaystyle+E" text="+ E" xml:id="Ch0.Ex1.m2">
<XMath>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">E</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td/>
<td align="left"><Math mode="inline" tex="\displaystyle+E" text="+ E" xml:id="Ch0.Ex1.m1">
<XMath>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">E</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p4">
<p>Equations (<ref labelref="LABEL:eq:before"/>) and (<ref labelref="LABEL:eq:after"/>):</p>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx3">
<equation labels="LABEL:eq:before" xml:id="Ch0.E6">
<tags>
<tag>(6)</tag>
<tag role="refnum">6</tag>
</tags>
<MathFork>
<Math tex="\displaystyle x\quad c_{1}," text="list@(x, c _ 1)" xml:id="Ch0.E6.m3">
<XMath>
<XMDual>
<XMRef idref="Ch0.E6.m3.2"/>
<XMWrap>
<XMDual xml:id="Ch0.E6.m3.2">
<XMApp>
<XMTok meaning="list"/>
<XMRef idref="Ch0.E6.m3.1"/>
<XMRef idref="Ch0.E6.m3.2.1"/>
</XMApp>
<XMWrap>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E6.m3.1">x</XMTok>
<XMHint name="quad" role="PUNCT" width="10pt"/>
<XMApp xml:id="Ch0.E6.m3.2.1">
<XMTok role="SUBSCRIPTOP" scriptpos="post1"/>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
<XMTok fontsize="70%" meaning="1" role="NUMBER">1</XMTok>
</XMApp>
</XMWrap>
</XMDual>
<XMTok role="PUNCT">,</XMTok>
</XMWrap>
</XMDual>
</XMath>
</Math>
<MathBranch>
<td align="right"/>
<td align="left"><Math mode="inline" tex="\displaystyle x\quad c_{1}," text="list@(x, c _ 1)" xml:id="Ch0.E6.m2">
<XMath>
<XMDual>
<XMRef idref="Ch0.E6.m2.2"/>
<XMWrap>
<XMDual xml:id="Ch0.E6.m2.2">
<XMApp>
<XMTok meaning="list"/>
<XMRef idref="Ch0.E6.m2.1"/>
<XMRef idref="Ch0.E6.m2.2.1"/>
</XMApp>
<XMWrap>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E6.m2.1">x</XMTok>
<XMHint name="quad" role="PUNCT" width="10pt"/>
<XMApp xml:id="Ch0.E6.m2.2.1">
<XMTok role="SUBSCRIPTOP" scriptpos="post1"/>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
<XMTok fontsize="70%" meaning="1" role="NUMBER">1</XMTok>
</XMApp>
</XMWrap>
</XMDual>
<XMTok role="PUNCT">,</XMTok>
</XMWrap>
</XMDual>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
<p>and</p>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx4">
<equation labels="LABEL:eq:after" xml:id="Ch0.E7">
<tags>
<tag>(7)</tag>
<tag role="refnum">7</tag>
</tags>
<MathFork>
<Math tex="\displaystyle y\quad c_{2}," text="list@(y, c _ 2)" xml:id="Ch0.E7.m2">
<XMath>
<XMDual>
<XMRef idref="Ch0.E7.m2.2"/>
<XMWrap>
<XMDual xml:id="Ch0.E7.m2.2">
<XMApp>
<XMTok meaning="list"/>
<XMRef idref="Ch0.E7.m2.1"/>
<XMRef idref="Ch0.E7.m2.2.1"/>
</XMApp>
<XMWrap>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E7.m2.1">y</XMTok>
<XMHint name="quad" role="PUNCT" width="10pt"/>
<XMApp xml:id="Ch0.E7.m2.2.1">
<XMTok role="SUBSCRIPTOP" scriptpos="post1"/>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
<XMTok fontsize="70%" meaning="2" role="NUMBER">2</XMTok>
</XMApp>
</XMWrap>
</XMDual>
<XMTok role="PUNCT">,</XMTok>
</XMWrap>
</XMDual>
</XMath>
</Math>
<MathBranch>
<td align="left"><Math mode="inline" tex="\displaystyle y\quad c_{2}," text="list@(y, c _ 2)" xml:id="Ch0.E7.m1">
<XMath>
<XMDual>
<XMRef idref="Ch0.E7.m1.2"/>
<XMWrap>
<XMDual xml:id="Ch0.E7.m1.2">
<XMApp>
<XMTok meaning="list"/>
<XMRef idref="Ch0.E7.m1.1"/>
<XMRef idref="Ch0.E7.m1.2.1"/>
</XMApp>
<XMWrap>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E7.m1.1">y</XMTok>
<XMHint name="quad" role="PUNCT" width="10pt"/>
<XMApp xml:id="Ch0.E7.m1.2.1">
<XMTok role="SUBSCRIPTOP" scriptpos="post1"/>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
<XMTok fontsize="70%" meaning="2" role="NUMBER">2</XMTok>
</XMApp>
</XMWrap>
</XMDual>
<XMTok role="PUNCT">,</XMTok>
</XMWrap>
</XMDual>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p5">
<p>Aligned within math</p>
<equationgroup xml:id="Ch0.Ex2">
<equation xml:id="Ch0.Ex2X">
<MathFork>
<Math tex="\displaystyle A=B" text="A = B" xml:id="Ch0.Ex2X.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math tex="\displaystyle A=" text="A = absent" xml:id="Ch0.Ex2X.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMath>
</Math></td>
<td align="left"><Math tex="\displaystyle B" text="B" xml:id="Ch0.Ex2X.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p6">
<p>Tendency to see the ampersand before aligned has started</p>
<equation xml:id="Ch0.Ex3">
<Math class="ltx_math_unparsed" mode="display" tex="C=\left\{\begin{aligned} &D\end{aligned}\right." xml:id="Ch0.Ex3.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMWrap>
<XMTok role="OPEN" stretchy="true">{</XMTok>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell/>
<XMCell align="left">
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMCell>
</XMRow>
</XMArray>
</XMWrap>
</XMath>
</Math>
</equation>
</para>
<para xml:id="p7">
<p>Align with aligned</p>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx5">
<equation xml:id="Ch0.Ex4">
<MathFork>
<Math tex="\displaystyle AB" text="A * B" xml:id="Ch0.Ex4.m3">
<XMath>
<XMApp>
<XMTok meaning="times" role="MULOP"></XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A" text="A" xml:id="Ch0.Ex4.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle B" text="B" xml:id="Ch0.Ex4.m2">
<XMath>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.Ex5">
<MathFork>
<Math class="ltx_math_unparsed" tex="\displaystyle C\left\{\begin{aligned} &D\end{aligned}\right." xml:id="Ch0.Ex5.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMWrap>
<XMTok role="OPEN" stretchy="true">{</XMTok>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell/>
<XMCell align="left">
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMCell>
</XMRow>
</XMArray>
</XMWrap>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle C" text="C" xml:id="Ch0.Ex5.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMath>
</Math></td>
<td align="left"><Math class="ltx_math_unparsed" mode="inline" tex="\displaystyle\left\{\begin{aligned} &D\end{aligned}\right." xml:id="Ch0.Ex5.m2">
<XMath>
<XMTok role="OPEN" stretchy="true">{</XMTok>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell/>
<XMCell align="left">
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMCell>
</XMRow>
</XMArray>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p8">
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx6">
<equation xml:id="Ch0.E8">
<tags>
<tag>(8)</tag>
<tag role="refnum">8</tag>
</tags>
<MathFork>
<Math class="ltx_math_unparsed" tex="\displaystyle A=\left\{\begin{aligned} B&\text{if}\\ C&\text{otherwise}\end{aligned}\right." xml:id="Ch0.E8.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMWrap>
<XMTok role="OPEN" stretchy="true">{</XMTok>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMCell>
<XMCell align="left">
<XMText>if</XMText>
</XMCell>
</XMRow>
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMCell>
<XMCell align="left">
<XMText>otherwise</XMText>
</XMCell>
</XMRow>
</XMArray>
</XMWrap>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A=" text="A = absent" xml:id="Ch0.E8.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMath>
</Math></td>
<td align="left"><Math class="ltx_math_unparsed" mode="inline" tex="\displaystyle\left\{\begin{aligned} B&\text{if}\\ C&\text{otherwise}\end{aligned}\right." xml:id="Ch0.E8.m2">
<XMath>
<XMTok role="OPEN" stretchy="true">{</XMTok>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMCell>
<XMCell align="left">
<XMText>if</XMText>
</XMCell>
</XMRow>
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMCell>
<XMCell align="left">
<XMText>otherwise</XMText>
</XMCell>
</XMRow>
</XMArray>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
<p>Or even</p>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx7">
<equation xml:id="Ch0.E9">
<tags>
<tag>(9)</tag>
<tag role="refnum">9</tag>
</tags>
<MathFork>
<Math tex="\displaystyle\begin{aligned} &a\\ &b\end{aligned}" text="aligned" xml:id="Ch0.E9.m2">
<XMath>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell/>
<XMCell align="left">
<XMTok font="italic" role="UNKNOWN">a</XMTok>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMTok font="italic" role="UNKNOWN">b</XMTok>
</XMCell>
</XMRow>
</XMArray>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle\begin{aligned} &a\\ &b\end{aligned}" text="aligned" xml:id="Ch0.E9.m1">
<XMath>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell/>
<XMCell align="left">
<XMTok font="italic" role="UNKNOWN">a</XMTok>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMTok font="italic" role="UNKNOWN">b</XMTok>
</XMCell>
</XMRow>
</XMArray>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p9">
<p>Equation with split; Ampersand before relation</p>
<equation xml:id="Ch0.E10">
<tags>
<tag>(10)</tag>
<tag role="refnum">10</tag>
</tags>
<Math mode="display" tex="\begin{split}C&=D\\ &{}+E\end{split}" text="C = D + E" xml:id="Ch0.E10.m1">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E10.m1.2"/>
<XMRef idref="Ch0.E10.m1.1"/>
<XMApp>
<XMRef idref="Ch0.E10.m1.4"/>
<XMRef idref="Ch0.E10.m1.3"/>
<XMRef idref="Ch0.E10.m1.5"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E10.m1.1">C</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E10.m1.2">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E10.m1.3">D</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E10.m1.4">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E10.m1.5">E</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math>
</equation>
<p>or after</p>
<equation xml:id="Ch0.E11">
<tags>
<tag>(11)</tag>
<tag role="refnum">11</tag>
</tags>
<Math mode="display" tex="\begin{split}C=&D\\ &{}+E\end{split}" text="C = D + E" xml:id="Ch0.E11.m1">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E11.m1.2"/>
<XMRef idref="Ch0.E11.m1.1"/>
<XMApp>
<XMRef idref="Ch0.E11.m1.4"/>
<XMRef idref="Ch0.E11.m1.3"/>
<XMRef idref="Ch0.E11.m1.5"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E11.m1.2">=</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E11.m1.1">C</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMCell>
<XMCell align="left">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E11.m1.3">D</XMTok>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E11.m1.4">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E11.m1.5">E</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math>
</equation>
</para>
<para xml:id="p10">
<p>Gather with split</p>
<equationgroup class="ltx_eqn_gather" xml:id="Ch0.S0.EGx8">
<equation xml:id="Ch0.E12">
<tags>
<tag>(12)</tag>
<tag role="refnum">12</tag>
</tags>
<Math mode="display" tex="\displaystyle A=B" text="A = B" xml:id="Ch0.E12.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
</equation>
<equation xml:id="Ch0.E13">
<tags>
<tag>(13)</tag>
<tag role="refnum">13</tag>
</tags>
<Math mode="display" tex="\displaystyle\begin{split}C&=D\\ &{}+E\end{split}" text="C = D + E" xml:id="Ch0.E13.m1">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E13.m1.2"/>
<XMRef idref="Ch0.E13.m1.1"/>
<XMApp>
<XMRef idref="Ch0.E13.m1.4"/>
<XMRef idref="Ch0.E13.m1.3"/>
<XMRef idref="Ch0.E13.m1.5"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E13.m1.1">C</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E13.m1.2">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E13.m1.3">D</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E13.m1.4">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E13.m1.5">E</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math>
</equation>
<equation xml:id="Ch0.E14">
<tags>
<tag>(14)</tag>
<tag role="refnum">14</tag>
</tags>
<Math mode="display" tex="\displaystyle F=G" text="F = G" xml:id="Ch0.E14.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">F</XMTok>
<XMTok font="italic" role="UNKNOWN">G</XMTok>
</XMApp>
</XMath>
</Math>
</equation>
</equationgroup>
</para>
<para xml:id="p11">
<p>Align with split.
Notice that the split acts like a column pair in the align.</p>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx9">
<equation xml:id="Ch0.E15">
<tags>
<tag>(15)</tag>
<tag role="refnum">15</tag>
</tags>
<MathFork>
<Math tex="\displaystyle A=B" text="A = B" xml:id="Ch0.E15.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A" text="A" xml:id="Ch0.E15.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=B" text="absent = B" xml:id="Ch0.E15.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E16">
<tags>
<tag>(16)</tag>
<tag role="refnum">16</tag>
</tags>
<MathFork>
<Math tex="\displaystyle\begin{split}C&=D\\ &{}+E\end{split}" text="C = D + E" xml:id="Ch0.E16.m2">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E16.m1.2.mf"/>
<XMRef idref="Ch0.E16.m1.1.mf"/>
<XMApp>
<XMRef idref="Ch0.E16.m1.4.mf"/>
<XMRef idref="Ch0.E16.m1.3.mf"/>
<XMRef idref="Ch0.E16.m1.5.mf"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E16.m1.1.mf">C</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E16.m1.2.mf">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E16.m1.3.mf">D</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E16.m1.4.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E16.m1.5.mf">E</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math>
<MathBranch>
<td align="center" colspan="2"><Math mode="inline" tex="\displaystyle\begin{split}C&=D\\ &{}+E\end{split}" text="C = D + E" xml:id="Ch0.E16.m1">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E16.m1.2"/>
<XMRef idref="Ch0.E16.m1.1"/>
<XMApp>
<XMRef idref="Ch0.E16.m1.4"/>
<XMRef idref="Ch0.E16.m1.3"/>
<XMRef idref="Ch0.E16.m1.5"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E16.m1.1">C</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E16.m1.2">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E16.m1.3">D</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E16.m1.4">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E16.m1.5">E</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E17">
<tags>
<tag>(17)</tag>
<tag role="refnum">17</tag>
</tags>
<MathFork>
<Math tex="\displaystyle F=G" text="F = G" xml:id="Ch0.E17.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">F</XMTok>
<XMTok font="italic" role="UNKNOWN">G</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle F" text="F" xml:id="Ch0.E17.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">F</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=G" text="absent = G" xml:id="Ch0.E17.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">G</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E18">
<tags>
<tag>(18)</tag>
<tag role="refnum">18</tag>
</tags>
<MathFork>
<Math tex="\displaystyle H=I" text="H = I" xml:id="Ch0.E18.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">H</XMTok>
<XMTok font="italic" role="UNKNOWN">I</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle H" text="H" xml:id="Ch0.E18.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">H</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=I" text="absent = I" xml:id="Ch0.E18.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">I</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx10">
<equation xml:id="Ch0.E19">
<tags>
<tag>(19)</tag>
<tag role="refnum">19</tag>
</tags>
<MathFork>
<Math tex="\displaystyle A=\ B" text="A = B" xml:id="Ch0.E19.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP" rpadding="5.0pt">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A=" text="A = absent" xml:id="Ch0.E19.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle\ B" text="B" xml:id="Ch0.E19.m2">
<XMath>
<XMTok font="italic" lpadding="5.0pt" role="UNKNOWN">B</XMTok>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E20">
<tags>
<tag>(20)</tag>
<tag role="refnum">20</tag>
</tags>
<MathFork>
<Math tex="\displaystyle B=-C" text="B = - C" xml:id="Ch0.E20.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
<XMApp>
<XMTok meaning="minus" role="ADDOP">-</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle B=" text="B = absent" xml:id="Ch0.E20.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle-C" text="- C" xml:id="Ch0.E20.m2">
<XMath>
<XMApp>
<XMTok meaning="minus" role="ADDOP">-</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E21">
<tags>
<tag>(21)</tag>
<tag role="refnum">21</tag>
</tags>
<MathFork>
<Math tex="\displaystyle\begin{split}C=&-D+E+F+G+H\\ &+I\end{split}" text="C = (- D) + E + F + G + H + I" xml:id="Ch0.E21.m2">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E21.m1.2.mf"/>
<XMRef idref="Ch0.E21.m1.1.mf"/>
<XMApp>
<XMRef idref="Ch0.E21.m1.5.mf"/>
<XMApp>
<XMRef idref="Ch0.E21.m1.3.mf"/>
<XMRef idref="Ch0.E21.m1.4.mf"/>
</XMApp>
<XMRef idref="Ch0.E21.m1.6.mf"/>
<XMRef idref="Ch0.E21.m1.8.mf"/>
<XMRef idref="Ch0.E21.m1.10.mf"/>
<XMRef idref="Ch0.E21.m1.12.mf"/>
<XMRef idref="Ch0.E21.m1.14.mf"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E21.m1.2.mf">=</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.1.mf">C</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E21.m1.5.mf">+</XMTok>
<XMApp>
<XMTok meaning="minus" role="ADDOP" xml:id="Ch0.E21.m1.3.mf">-</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.4.mf">D</XMTok>
</XMApp>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.6.mf">E</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.8.mf">F</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.10.mf">G</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.12.mf">H</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E21.m1.13.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.14.mf">I</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math>
<MathBranch>
<td align="center" colspan="2"><Math mode="inline" tex="\displaystyle\begin{split}C=&-D+E+F+G+H\\ &+I\end{split}" text="C = (- D) + E + F + G + H + I" xml:id="Ch0.E21.m1">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E21.m1.2"/>
<XMRef idref="Ch0.E21.m1.1"/>
<XMApp>
<XMRef idref="Ch0.E21.m1.5"/>
<XMApp>
<XMRef idref="Ch0.E21.m1.3"/>
<XMRef idref="Ch0.E21.m1.4"/>
</XMApp>
<XMRef idref="Ch0.E21.m1.6"/>
<XMRef idref="Ch0.E21.m1.8"/>
<XMRef idref="Ch0.E21.m1.10"/>
<XMRef idref="Ch0.E21.m1.12"/>
<XMRef idref="Ch0.E21.m1.14"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E21.m1.2">=</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.1">C</XMTok>
<XMTok meaning="absent"/>
</XMApp>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E21.m1.5">+</XMTok>
<XMApp>
<XMTok meaning="minus" role="ADDOP" xml:id="Ch0.E21.m1.3">-</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.4">D</XMTok>
</XMApp>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.6">E</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.8">F</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.10">G</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.12">H</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E21.m1.13">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E21.m1.14">I</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p12">
<p>2-Column align, with missing columns</p>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx11">
<equation xml:id="Ch0.E22">
<tags>
<tag>(22)</tag>
<tag role="refnum">22</tag>
</tags>
<MathFork>
<Math tex="\displaystyle A=B" text="A = B" xml:id="Ch0.E22.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A" text="A" xml:id="Ch0.E22.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=B" text="absent = B" xml:id="Ch0.E22.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle C=D" text="C = D" xml:id="Ch0.E22.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle C" text="C" xml:id="Ch0.E22.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=D" text="absent = D" xml:id="Ch0.E22.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E23">
<tags>
<tag>(23)</tag>
<tag role="refnum">23</tag>
</tags>
<MathFork>
<Math tex="\displaystyle E=F" text="E = F" xml:id="Ch0.E23.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">E</XMTok>
<XMTok font="italic" role="UNKNOWN">F</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle E" text="E" xml:id="Ch0.E23.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">E</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=F" text="absent = F" xml:id="Ch0.E23.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">F</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E24">
<tags>
<tag>(24)</tag>
<tag role="refnum">24</tag>
</tags>
<MathFork>
<Math tex="\displaystyle H=I" text="H = I" xml:id="Ch0.E24.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">H</XMTok>
<XMTok font="italic" role="UNKNOWN">I</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle H" text="H" xml:id="Ch0.E24.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">H</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=I" text="absent = I" xml:id="Ch0.E24.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">I</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle J=K" text="J = K" xml:id="Ch0.E24.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">J</XMTok>
<XMTok font="italic" role="UNKNOWN">K</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle J" text="J" xml:id="Ch0.E24.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">J</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=K" text="absent = K" xml:id="Ch0.E24.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">K</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p13">
<p>2-Column align with split;
Note that you should omit double slash from last line of split!</p>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx12">
<equation xml:id="Ch0.E25">
<tags>
<tag>(25)</tag>
<tag role="refnum">25</tag>
</tags>
<MathFork>
<Math tex="\displaystyle A=B" text="A = B" xml:id="Ch0.E25.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A" text="A" xml:id="Ch0.E25.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=B" text="absent = B" xml:id="Ch0.E25.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle C=D" text="C = D" xml:id="Ch0.E25.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle C" text="C" xml:id="Ch0.E25.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=D" text="absent = D" xml:id="Ch0.E25.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E26">
<tags>
<tag>(26)</tag>
<tag role="refnum">26</tag>
</tags>
<MathFork>
<Math tex="\displaystyle\begin{split}E&=F\\ &{}+G\end{split}" text="E = F + G" xml:id="Ch0.E26.m2">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E26.m1.2.mf"/>
<XMRef idref="Ch0.E26.m1.1.mf"/>
<XMApp>
<XMRef idref="Ch0.E26.m1.4.mf"/>
<XMRef idref="Ch0.E26.m1.3.mf"/>
<XMRef idref="Ch0.E26.m1.5.mf"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E26.m1.1.mf">E</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E26.m1.2.mf">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E26.m1.3.mf">F</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E26.m1.4.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E26.m1.5.mf">G</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math>
<MathBranch>
<td align="center" colspan="2"><Math mode="inline" tex="\displaystyle\begin{split}E&=F\\ &{}+G\end{split}" text="E = F + G" xml:id="Ch0.E26.m1">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E26.m1.2"/>
<XMRef idref="Ch0.E26.m1.1"/>
<XMApp>
<XMRef idref="Ch0.E26.m1.4"/>
<XMRef idref="Ch0.E26.m1.3"/>
<XMRef idref="Ch0.E26.m1.5"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E26.m1.1">E</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E26.m1.2">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E26.m1.3">F</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E26.m1.4">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E26.m1.5">G</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E27">
<tags>
<tag>(27)</tag>
<tag role="refnum">27</tag>
</tags>
<MathFork>
<Math tex="\displaystyle H=I" text="H = I" xml:id="Ch0.E27.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">H</XMTok>
<XMTok font="italic" role="UNKNOWN">I</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle H" text="H" xml:id="Ch0.E27.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">H</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=I" text="absent = I" xml:id="Ch0.E27.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">I</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle J=K" text="J = K" xml:id="Ch0.E27.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">J</XMTok>
<XMTok font="italic" role="UNKNOWN">K</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle J" text="J" xml:id="Ch0.E27.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">J</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=K" text="absent = K" xml:id="Ch0.E27.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">K</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p14">
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx13">
<equation xml:id="Ch0.E28">
<tags>
<tag>(28)</tag>
<tag role="refnum">28</tag>
</tags>
<MathFork>
<Math tex="\displaystyle A=B" text="A = B" xml:id="Ch0.E28.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A" text="A" xml:id="Ch0.E28.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=B" text="absent = B" xml:id="Ch0.E28.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle C=D" text="C = D" xml:id="Ch0.E28.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle C" text="C" xml:id="Ch0.E28.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=D" text="absent = D" xml:id="Ch0.E28.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E29">
<tags>
<tag>(29)</tag>
<tag role="refnum">29</tag>
</tags>
<MathFork>
<Math tex="\displaystyle X=Y" text="X = Y" xml:id="Ch0.E29.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">X</XMTok>
<XMTok font="italic" role="UNKNOWN">Y</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle X" text="X" xml:id="Ch0.E29.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">X</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=Y" text="absent = Y" xml:id="Ch0.E29.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">Y</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle\begin{split}E&=F\\ &{}+G\end{split}" text="E = F + G" xml:id="Ch0.E29.m5">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E29.m3.2.mf"/>
<XMRef idref="Ch0.E29.m3.1.mf"/>
<XMApp>
<XMRef idref="Ch0.E29.m3.4.mf"/>
<XMRef idref="Ch0.E29.m3.3.mf"/>
<XMRef idref="Ch0.E29.m3.5.mf"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E29.m3.1.mf">E</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E29.m3.2.mf">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E29.m3.3.mf">F</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E29.m3.4.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E29.m3.5.mf">G</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math>
<MathBranch>
<td align="center" colspan="2"><Math mode="inline" tex="\displaystyle\begin{split}E&=F\\ &{}+G\end{split}" text="E = F + G" xml:id="Ch0.E29.m3">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E29.m3.2"/>
<XMRef idref="Ch0.E29.m3.1"/>
<XMApp>
<XMRef idref="Ch0.E29.m3.4"/>
<XMRef idref="Ch0.E29.m3.3"/>
<XMRef idref="Ch0.E29.m3.5"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E29.m3.1">E</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E29.m3.2">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E29.m3.3">F</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E29.m3.4">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E29.m3.5">G</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E30">
<tags>
<tag>(30)</tag>
<tag role="refnum">30</tag>
</tags>
<MathFork>
<Math tex="\displaystyle H=I" text="H = I" xml:id="Ch0.E30.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">H</XMTok>
<XMTok font="italic" role="UNKNOWN">I</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle H" text="H" xml:id="Ch0.E30.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">H</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=I" text="absent = I" xml:id="Ch0.E30.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">I</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle J=K" text="J = K" xml:id="Ch0.E30.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">J</XMTok>
<XMTok font="italic" role="UNKNOWN">K</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle J" text="J" xml:id="Ch0.E30.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">J</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=K" text="absent = K" xml:id="Ch0.E30.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">K</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E31">
<tags>
<tag>(31)</tag>
<tag role="refnum">31</tag>
</tags>
<MathFork>
<Math tex="\displaystyle\begin{split}L&=M\\ &{}+N\end{split}O" text="(L = M + N) * O" xml:id="Ch0.E31.m4">
<XMath>
<XMApp>
<XMTok meaning="times" role="MULOP"></XMTok>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E31.m1.2.mf"/>
<XMRef idref="Ch0.E31.m1.1.mf"/>
<XMApp>
<XMRef idref="Ch0.E31.m1.4.mf"/>
<XMRef idref="Ch0.E31.m1.3.mf"/>
<XMRef idref="Ch0.E31.m1.5.mf"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E31.m1.1.mf">L</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E31.m1.2.mf">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E31.m1.3.mf">M</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E31.m1.4.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E31.m1.5.mf">N</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
<XMTok font="italic" role="UNKNOWN">O</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="center" colspan="2"><Math mode="inline" tex="\displaystyle\begin{split}L&=M\\ &{}+N\end{split}" text="L = M + N" xml:id="Ch0.E31.m1">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E31.m1.2"/>
<XMRef idref="Ch0.E31.m1.1"/>
<XMApp>
<XMRef idref="Ch0.E31.m1.4"/>
<XMRef idref="Ch0.E31.m1.3"/>
<XMRef idref="Ch0.E31.m1.5"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E31.m1.1">L</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E31.m1.2">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E31.m1.3">M</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E31.m1.4">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E31.m1.5">N</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math></td>
<td align="right"><Math mode="inline" tex="\displaystyle O" text="O" xml:id="Ch0.E31.m2">
<XMath>
<XMTok font="italic" role="UNKNOWN">O</XMTok>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle=P" text="absent = P" xml:id="Ch0.E31.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">P</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="left"><Math mode="inline" tex="\displaystyle=P" text="absent = P" xml:id="Ch0.E31.m3">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">P</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E32">
<tags>
<tag>(32)</tag>
<tag role="refnum">32</tag>
</tags>
<MathFork>
<Math tex="\displaystyle Q=R" text="Q = R" xml:id="Ch0.E32.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">Q</XMTok>
<XMTok font="italic" role="UNKNOWN">R</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle Q" text="Q" xml:id="Ch0.E32.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">Q</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=R" text="absent = R" xml:id="Ch0.E32.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">R</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle S=T" text="S = T" xml:id="Ch0.E32.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">S</XMTok>
<XMTok font="italic" role="UNKNOWN">T</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle S" text="S" xml:id="Ch0.E32.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">S</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=T" text="absent = T" xml:id="Ch0.E32.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">T</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
<para xml:id="p15">
<p>Multiple splits in multicolumn align.
Note how each split block contributes to a single row, but it is
horizontally aligned as if it were a column pair in the align.</p>
<equationgroup class="ltx_eqn_align" xml:id="Ch0.S0.EGx14">
<equation xml:id="Ch0.E33">
<tags>
<tag>(33)</tag>
<tag role="refnum">33</tag>
</tags>
<MathFork>
<Math tex="\displaystyle A=B+b+c+d" text="A = B + b + c + d" xml:id="Ch0.E33.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle A" text="A" xml:id="Ch0.E33.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">A</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=B+b+c+d" text="absent = B + b + c + d" xml:id="Ch0.E33.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">B</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle C=D" text="C = D" xml:id="Ch0.E33.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle C" text="C" xml:id="Ch0.E33.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">C</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=D" text="absent = D" xml:id="Ch0.E33.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">D</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E34">
<tags>
<tag>(34)</tag>
<tag role="refnum">34</tag>
</tags>
<MathFork>
<Math tex="\displaystyle\begin{split}E+e+f+g&=F\\ &{}+G\end{split}\begin{split}L&=M\\ &{}+N\\ &{}+Z\end{split}" text="(E + e + f + g = F + G) * (L = M + N + Z)" xml:id="Ch0.E34.m3">
<XMath>
<XMApp>
<XMTok meaning="times" role="MULOP"></XMTok>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E34.m1.8.mf"/>
<XMApp>
<XMRef idref="Ch0.E34.m1.2.mf"/>
<XMRef idref="Ch0.E34.m1.1.mf"/>
<XMRef idref="Ch0.E34.m1.3.mf"/>
<XMRef idref="Ch0.E34.m1.5.mf"/>
<XMRef idref="Ch0.E34.m1.7.mf"/>
</XMApp>
<XMApp>
<XMRef idref="Ch0.E34.m1.10.mf"/>
<XMRef idref="Ch0.E34.m1.9.mf"/>
<XMRef idref="Ch0.E34.m1.11.mf"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E34.m1.2.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.1.mf">E</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.3.mf">e</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.5.mf">f</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.7.mf">g</XMTok>
</XMApp>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E34.m1.8.mf">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.9.mf">F</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E34.m1.10.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.11.mf">G</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E34.m2.2.mf"/>
<XMRef idref="Ch0.E34.m2.1.mf"/>
<XMApp>
<XMRef idref="Ch0.E34.m2.4.mf"/>
<XMRef idref="Ch0.E34.m2.3.mf"/>
<XMRef idref="Ch0.E34.m2.5.mf"/>
<XMRef idref="Ch0.E34.m2.7.mf"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m2.1.mf">L</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E34.m2.2.mf">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m2.3.mf">M</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E34.m2.4.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m2.5.mf">N</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E34.m2.6.mf">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m2.7.mf">Z</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="center" colspan="2"><Math mode="inline" tex="\displaystyle\begin{split}E+e+f+g&=F\\ &{}+G\end{split}" text="E + e + f + g = F + G" xml:id="Ch0.E34.m1">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E34.m1.8"/>
<XMApp>
<XMRef idref="Ch0.E34.m1.2"/>
<XMRef idref="Ch0.E34.m1.1"/>
<XMRef idref="Ch0.E34.m1.3"/>
<XMRef idref="Ch0.E34.m1.5"/>
<XMRef idref="Ch0.E34.m1.7"/>
</XMApp>
<XMApp>
<XMRef idref="Ch0.E34.m1.10"/>
<XMRef idref="Ch0.E34.m1.9"/>
<XMRef idref="Ch0.E34.m1.11"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E34.m1.2">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.1">E</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.3">e</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.5">f</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.7">g</XMTok>
</XMApp>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E34.m1.8">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.9">F</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E34.m1.10">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m1.11">G</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math></td>
<td align="center" colspan="2"><Math mode="inline" tex="\displaystyle\begin{split}L&=M\\ &{}+N\\ &{}+Z\end{split}" text="L = M + N + Z" xml:id="Ch0.E34.m2">
<XMath>
<XMDual>
<XMApp>
<XMRef idref="Ch0.E34.m2.2"/>
<XMRef idref="Ch0.E34.m2.1"/>
<XMApp>
<XMRef idref="Ch0.E34.m2.4"/>
<XMRef idref="Ch0.E34.m2.3"/>
<XMRef idref="Ch0.E34.m2.5"/>
<XMRef idref="Ch0.E34.m2.7"/>
</XMApp>
</XMApp>
<XMArray colsep="0pt" name="aligned">
<XMRow>
<XMCell align="right">
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m2.1">L</XMTok>
</XMCell>
<XMCell align="left">
<XMApp>
<XMTok meaning="equals" role="RELOP" xml:id="Ch0.E34.m2.2">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m2.3">M</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E34.m2.4">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m2.5">N</XMTok>
</XMApp>
</XMCell>
</XMRow>
<XMRow>
<XMCell/>
<XMCell align="left">
<XMApp>
<XMTok meaning="plus" role="ADDOP" xml:id="Ch0.E34.m2.6">+</XMTok>
<XMTok font="italic" role="UNKNOWN" xml:id="Ch0.E34.m2.7">Z</XMTok>
</XMApp>
</XMCell>
</XMRow>
</XMArray>
</XMDual>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="Ch0.E35">
<tags>
<tag>(35)</tag>
<tag role="refnum">35</tag>
</tags>
<MathFork>
<Math tex="\displaystyle Q=R" text="Q = R" xml:id="Ch0.E35.m5">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">Q</XMTok>
<XMTok font="italic" role="UNKNOWN">R</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle Q" text="Q" xml:id="Ch0.E35.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">Q</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=R" text="absent = R" xml:id="Ch0.E35.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">R</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
<MathFork>
<Math tex="\displaystyle S=T" text="S = T" xml:id="Ch0.E35.m6">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">S</XMTok>
<XMTok font="italic" role="UNKNOWN">T</XMTok>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle S" text="S" xml:id="Ch0.E35.m3">
<XMath>
<XMTok font="italic" role="UNKNOWN">S</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle=T" text="absent = T" xml:id="Ch0.E35.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMTok font="italic" role="UNKNOWN">T</XMTok>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
</document>