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<b>let </b><font color="Maroon">c<sub>2</sub></font> be    <a href="unialg_2.html#M3">SubAlgebra</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>

<b>reconsider </b><font color="Maroon">c<sub>3</sub></font> = <font color="Maroon">c<sub>2</sub></font> as   <a href="unialg_1.html#NM2">Universal_Algebra</a> ;<br/>
<b>consider </b><font color="Maroon">c<sub>4</sub></font> being    <a href="subset_1.html#M1">Element</a> of  <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">c<sub>3</sub></font>;<br/>
<a NAME="E3:13_1_1"/>
 <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a>  <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="ref" href="unialg_3.html#T6" target="_self">Th6</a></i>;<br/>
<a NAME="E4:13_1_1"/><b>then </b>
<font color="Maroon">c<sub>4</sub></font> <a href="hidden.html#R2">in</a>  <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">c<sub>3</sub></font>
 
;<br/>
<b>then consider </b><font color="Maroon">c<sub>5</sub></font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">c<sub>3</sub></font><b> such that </b><br/><a NAME="E6:13_1_1"/><i><font color="Green">E7</font></i>: 
( <font color="Maroon">c<sub>4</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> &amp; ex <font color="Olive">b<sub>1</sub></font> being  <a href="unialg_2.html#NM5">operation</a> of <font color="Maroon">c<sub>3</sub></font> st <br/>(  <a href="unialg_1.html#K2">arity</a> <font color="Olive">b<sub>1</sub></font> <a href="hidden.html#R1">=</a> 0 &amp; <font color="Maroon">c<sub>5</sub></font> <a href="hidden.html#R2">in</a>  <a href="relset_1.html#K5">rng</a> <font color="Olive">b<sub>1</sub></font> ) )
 ;<br/>
<b>thus </b><a NAME="E7:13_1_1"/>
<font color="Maroon">c<sub>2</sub></font> is <a href="unialg_2.html#V2">with_const_op</a>
 <b>by </b><i><a class="txt" href="unialg_3.html#E6:13_1_1"><i><font color="Green">E7</font></i></a>, <a class="ref" href="unialg_2.html#D12">UNIALG_2:def 12</a></i>;<br/>


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