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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="unialg_1.html#NM2">Universal_Algebra</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be    <a href="fraenkel.html#M2">Element</a> of  <a href="endalg.html#K1" target="_self">UAEnd</a> <font color="Maroon">c<sub>1</sub></font>;<br/>



<a NAME="E1:4"/>
( <font color="Maroon">c<sub>2</sub></font> <a href="alg_1.html#R1">is_homomorphism</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>1</sub></font> &amp; <font color="Maroon">c<sub>3</sub></font> <a href="alg_1.html#R1">is_homomorphism</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>1</sub></font> )
 
<b>by </b><i><a class="ref" href="endalg.html#D1" target="_self">Def1</a></i>;<br/>
<a NAME="E2:4"/><b>then </b>
<font color="Maroon">c<sub>2</sub></font> <a href="partfun1.html#K1">*</a> <font color="Maroon">c<sub>3</sub></font> <a href="alg_1.html#R1">is_homomorphism</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="ref" href="alg_1.html#T7">ALG_1:7</a></i>;<br/>
<b>hence </b><a NAME="E3:4"/>
<font color="Maroon">c<sub>2</sub></font> <a href="partfun1.html#K1">*</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="endalg.html#K1" target="_self">UAEnd</a> <font color="Maroon">c<sub>1</sub></font>
 <b>by </b><i><a class="ref" href="endalg.html#D1" target="_self">Def1</a></i>;<br/>


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