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<b>consider </b><font color="Maroon">E</font> being  non <a href="msualg_1.html#V2">void</a>  <a href="algspec1.html#M2" target="_self">Extension</a> of <font color="Maroon">S</font>;<br/>
<b>consider </b><font color="Maroon">A</font> being  <a href="msualg_6.html#V1">feasible</a>  <a href="msualg_1.html#L3">MSAlgebra</a> of <font color="Maroon">E</font>;<br/>
<a NAME="E3:65_1_1"/>
<font color="Maroon">A</font> is    <a href="algspec1.html#M3" target="_self">Algebra</a> 
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E4:65_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being   <a href="algspec1.html#M3" target="_self">Algebra</a>  ex <font color="Olive">E</font> being non <a href="msualg_1.html#V2">void</a>  <a href="algspec1.html#M2" target="_self">Extension</a> of <font color="Maroon">S</font> st <font color="Olive">b<sub>1</sub></font> is  <a href="msualg_6.html#V1">feasible</a>  <a href="msualg_1.html#L3">MSAlgebra</a> of <font color="Olive">E</font>
 ;<br/>


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