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<b>let </b><font color="Maroon">U1</font> be   <a href="unialg_1.html#NM2">Universal_Algebra</a>;<br/><b>let </b><font color="Maroon">U2</font> be   <a href="unialg_1.html#NM2">Universal_Algebra</a>;<br/><b>let </b><font color="Maroon">f</font> be   <a href="struct_0.html#NM6">Function</a> of <font color="Maroon">U1</font>,<font color="Maroon">U2</font>;<br/>





<b>assume </b><a NAME="E1:40"/><i><font color="Green">E33</font></i>: 
<font color="Maroon">f</font> <a href="alg_1.html#R3" target="_self">is_epimorphism</a> <font color="Maroon">U1</font>,<font color="Maroon">U2</font>
 ;<br/>

<b>take </b>
 <a href="alg_1.html#K8" target="_self">HomQuot</a> <font color="Maroon">f</font>
; <i><font color="Red">:: according to </font></i><a class="ref" href="alg_1.html#D5" target="_self">ALG_1:def 5</a><br/>

<b>thus </b><a NAME="E2:40"/>
 <a href="alg_1.html#K8" target="_self">HomQuot</a> <font color="Maroon">f</font> <a href="alg_1.html#R4" target="_self">is_isomorphism</a>  <a href="alg_1.html#K5" target="_self">QuotUnivAlg</a> <font color="Maroon">U1</font>,<span class="p1">(<span class="default"><a href="alg_1.html#K7" target="_self">Cng</a> <font color="Maroon">f</font></span>)</span>,<font color="Maroon">U2</font>
 <b>by </b><i>, </i>;<br/>


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