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<b>let </b><font color="Maroon" title="c1">G</font> be   <a href="group_1.html#NM1" title="GROUP_1:NM.1">Group</a>;<br/><b>let </b><font color="Maroon" title="c2">H1</font>, <font color="Maroon" title="c3">H2</font>, <font color="Maroon" title="c4">H3</font> be    <a href="group_2.html#M1" title="GROUP_2:mode.1">Subgroup</a> of <font color="Maroon" title="c1">G</font>;<br/>







<b>assume </b><a NAME="E1:93"/><i><font color="Green" title="E55">A1</font></i>: 
<font color="Maroon" title="c2">H1</font> is    <a href="group_2.html#M1" title="GROUP_2:mode.1">Subgroup</a> of <font color="Maroon" title="c3">H2</font>
 ;<br/>

<a NAME="E2:93"/>
<font color="Maroon" title="c2">H1</font> <a href="group_2.html#K9" title="GROUP_2:func.9">/\</a> <font color="Maroon" title="c4">H3</font> is    <a href="group_2.html#M1" title="GROUP_2:mode.1">Subgroup</a> of <font color="Maroon" title="c2">H1</font>
 
<b>by </b><i><a class="txt" href="group_2.html#E119"><i><font color="Green" title="E54">Lm4</font></i></a></i>;<br/>
<b>hence </b><a NAME="E3:93"/>
<font color="Maroon" title="c2">H1</font> <a href="group_2.html#K9" title="GROUP_2:func.9">/\</a> <font color="Maroon" title="c4">H3</font> is    <a href="group_2.html#M1" title="GROUP_2:mode.1">Subgroup</a> of <font color="Maroon" title="c3">H2</font>
 <b>by </b><i><a class="txt" href="group_2.html#E1:93"><i><font color="Green" title="E55">A1</font></i></a>, <a class="ref" href="group_2.html#T65" target="_self" title="GROUP_2:th.65">Th65</a></i>;<br/>


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