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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">N</font> be  <a href="group_3.html#V1">normal</a>  <a href="group_2.html#M1">Subgroup</a> of <font color="Maroon">G</font>;<br/>



<a NAME="E1:78"/>
 <a href="group_6.html#K12" target="_self">Image</a> <span class="p1">(<span class="default"><a href="group_6.html#K10" target="_self">nat_hom</a> <font color="Maroon">N</font></span>)</span> <a href="hidden.html#R1">=</a> <font color="Maroon">G</font> <a href="group_6.html#K6" target="_self">./.</a> <font color="Maroon">N</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:78"/>
 <a href="group_6.html#K10" target="_self">nat_hom</a> <font color="Maroon">N</font> <a href="group_6.html#NR2" target="_self">is_epimorphism</a> 
 <b>by </b><i><a class="ref" href="group_6.html#T4" target="_self">Th4</a></i>;<br/>


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