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<b>let </b><font color="Maroon">G</font> be   <a href="group_1.html#NM1">Group</a>;<br/><b>let </b><font color="Maroon">A</font> be   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">G</font>;<br/>



<b>take </b>
 <a href="group_1.html#K2">1.</a> <font color="Maroon">G</font>
; <i><font color="Red">:: according to </font></i><a class="ref" href="group_3.html#D9" target="_self">GROUP_3:def 9</a><br/>

<b>thus </b><a NAME="E1:92"/>
<font color="Maroon">A</font> <a href="hidden.html#R1">=</a> <font color="Maroon">A</font> <a href="group_3.html#K4" target="_self">|^</a> <span class="p1">(<span class="default"><a href="group_1.html#K2">1.</a> <font color="Maroon">G</font></span>)</span>
 <b>by </b><i/>;<br/>


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