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



<a NAME="E1:19"/>
( <span class="p1">(<span class="default"><font color="Maroon">h</font> <a href="group_1.html#K3" target="_self">"</a> </span>)</span> <a href="group_1.html#K1" target="_self">*</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><font color="Maroon">h</font> <a href="group_1.html#K3" target="_self">"</a> </span>)</span> <a href="group_1.html#K3" target="_self">"</a> </span>)</span> <a href="hidden.html#R1">=</a>  <a href="group_1.html#K2" target="_self">1.</a> <font color="Maroon">G</font> &amp; <span class="p1">(<span class="default"><font color="Maroon">h</font> <a href="group_1.html#K3" target="_self">"</a> </span>)</span> <a href="group_1.html#K1" target="_self">*</a> <font color="Maroon">h</font> <a href="hidden.html#R1">=</a>  <a href="group_1.html#K2" target="_self">1.</a> <font color="Maroon">G</font> )
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:19"/>
<span class="p1">(<span class="default"><font color="Maroon">h</font> <a href="group_1.html#K3" target="_self">"</a> </span>)</span> <a href="group_1.html#K3" target="_self">"</a>  <a href="hidden.html#R1">=</a> <font color="Maroon">h</font>
 <b>by </b><i/>;<br/>


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