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<b>let </b><font color="Maroon">U0</font> be  <a href="unialg_2.html#V2">with_const_op</a> <a href="unialg_1.html#NM2">Universal_Algebra</a>;<br/><b>let </b><font color="Maroon">U1</font> be    <a href="unialg_2.html#M3">SubAlgebra</a> of <font color="Maroon">U0</font>, <font color="Maroon">U2</font> be    <a href="unialg_2.html#M3">SubAlgebra</a> of <font color="Maroon">U0</font>;<br/>



<a NAME="E1:14"/>
(  <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">U0</font> <a href="hidden.html#R1">=</a>  <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">U1</font> &amp;  <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">U0</font> <a href="hidden.html#R1">=</a>  <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">U2</font> )
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:14"/>
 <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">U1</font> <a href="hidden.html#R1">=</a>  <a href="unialg_2.html#K6">Constants</a> <font color="Maroon">U2</font>
 ;<br/>


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