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<b>let </b><font color="Maroon">S</font> be  non <a href="struct_0.html#V3">empty</a> non <a href="msualg_1.html#V2">void</a>  <a href="msualg_1.html#L1">ManySortedSign</a> ;<br/><b>let </b><font color="Maroon">U1</font> be  <a href="msualg_1.html#V5">non-empty</a>  <a href="msualg_1.html#L3">MSAlgebra</a> of <font color="Maroon">S</font>;<br/><b>let </b><font color="Maroon">q</font> be    <a href="hidden.html#M1">set</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="tarski.html#D3">TARSKI:def 3</a><br/>





<b>assume </b><a NAME="E1:35"/>
<font color="Maroon">q</font> <a href="hidden.html#R2">in</a>  <a href="autalg_1.html#K4" target="_self">MSAAut</a> <font color="Maroon">U1</font>
 ;<br/>

<b>then consider </b><font color="Maroon">f</font> being    <a href="autalg_1.html#M2" target="_self">Element</a> of  <a href="autalg_1.html#K4" target="_self">MSAAut</a> <font color="Maroon">U1</font><b> such that </b><br/><a NAME="E3:35"/><i><font color="Green">E33</font></i>: 
<font color="Maroon">f</font> <a href="hidden.html#R1">=</a> <font color="Maroon">q</font>
 ;<br/>
<b>thus </b><a NAME="E4:35"/>
<font color="Maroon">q</font> <a href="hidden.html#R2">in</a>  <a href="card_3.html#K4">product</a> <span class="p1">(<span class="default"><a href="pboole.html#K11">MSFuncs</a> the <a href="msualg_1.html#U4">Sorts</a> of <font color="Maroon">U1</font>,the <a href="msualg_1.html#U4">Sorts</a> of <font color="Maroon">U1</font></span>)</span>
 <b>by </b><i>, </i>;<br/>


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