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<b>let </b><font color="Maroon" title="c1">S</font> be  non <a href="msualg_1.html#V2" title="MSUALG_1:attr.2">void</a> <a href="catalg_1.html#NM1" title="CATALG_1:NM.1">Signature</a>;<br/><b>let </b><font color="Maroon" title="c2">A</font> be  <a href="msualg_6.html#V1" title="MSUALG_6:attr.1">feasible</a>  <a href="msualg_1.html#L3" title="MSUALG_1:struct.3">MSAlgebra</a> of <font color="Maroon" title="c1">S</font>;<br/>



<a NAME="E1:66"/>
( <font color="Maroon" title="c2">A</font> is    <a href="algspec1.html#M3" title="ALGSPEC1:mode.3">Algebra</a>  &amp; <font color="Maroon" title="c1">S</font> is    <a href="algspec1.html#M2" title="ALGSPEC1:mode.2">Extension</a> of <font color="Maroon" title="c1">S</font> )
 
<b>by </b><i><a class="ref" href="algspec1.html#D6" target="_self" title="ALGSPEC1:def.6">Def6</a>, <a class="ref" href="algspec1.html#T47" target="_self" title="ALGSPEC1:th.47">Th47</a></i>;<br/>
<b>hence </b><a NAME="E2:66"/>
<font color="Maroon" title="c2">A</font> is    <a href="algspec1.html#M4" title="ALGSPEC1:mode.4">Algebra</a> of <font color="Maroon" title="c1">S</font>
 <b>by </b><i><a class="ref" href="algspec1.html#D7" target="_self" title="ALGSPEC1:def.7">Def7</a></i>;<br/>


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