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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#NM1">Element</a> of <font color="Maroon">G</font>;<br/><b>let </b><font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>;<br/>





<b>thus </b><a NAME="E1:42"/>
<span class="p1"><a href="group_5.html#K3" target="_self">[.</a><span class="default"><font color="Maroon">a</font>,<font color="Maroon">b</font>,<span class="p2">(<span class="default"><a href="group_1.html#K2">1.</a> <font color="Maroon">G</font></span>)</span></span><a href="group_5.html#K3" target="_self">.]</a></span> <a href="hidden.html#R1">=</a>  <a href="group_1.html#K2">1.</a> <font color="Maroon">G</font>
 <b>by </b><i/>;<br/>

<b>thus </b><span class="p1"><a href="group_5.html#K3" target="_self">[.</a><span class="default"><font color="Maroon">a</font>,<span class="p2">(<span class="default"><a href="group_1.html#K2">1.</a> <font color="Maroon">G</font></span>)</span>,<font color="Maroon">b</font></span><a href="group_5.html#K3" target="_self">.]</a></span> = 
<span class="p1"><a href="group_5.html#K2" target="_self">[.</a><span class="default"><span class="p2">(<span class="default"><a href="group_1.html#K2">1.</a> <font color="Maroon">G</font></span>)</span>,<font color="Maroon">b</font></span><a href="group_5.html#K2" target="_self">.]</a></span>
<b>by </b><i/>
<br/>.= 
 <a href="group_1.html#K2">1.</a> <font color="Maroon">G</font>
<b>by </b><i/>
;<br/>

<b>thus </b><span class="p1"><a href="group_5.html#K3" target="_self">[.</a><span class="default"><span class="p2">(<span class="default"><a href="group_1.html#K2">1.</a> <font color="Maroon">G</font></span>)</span>,<font color="Maroon">a</font>,<font color="Maroon">b</font></span><a href="group_5.html#K3" target="_self">.]</a></span> = 
<span class="p1"><a href="group_5.html#K2" target="_self">[.</a><span class="default"><span class="p2">(<span class="default"><a href="group_1.html#K2">1.</a> <font color="Maroon">G</font></span>)</span>,<font color="Maroon">b</font></span><a href="group_5.html#K2" target="_self">.]</a></span>
<b>by </b><i/>
<br/>.= 
 <a href="group_1.html#K2">1.</a> <font color="Maroon">G</font>
<b>by </b><i/>
;<br/>


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