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<b>let </b><font color="Maroon" title="c1">S</font> be  non <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a> non <a href="msualg_1.html#V2" title="MSUALG_1:attr.2">void</a>  <a href="msualg_1.html#L1" title="MSUALG_1:struct.1">ManySortedSign</a> ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> for <font color="Olive" title="b1">A</font> being <a href="msualg_1.html#V5" title="MSUALG_1:attr.5">non-empty</a>  <a href="msualg_1.html#L3" title="MSUALG_1:struct.3">MSAlgebra</a> of <font color="Maroon" title="c1">S</font><br/> for <font color="Olive" title="b2">R</font> being  <a href="msualg_4.html#NM3" title="MSUALG_4:NM.3">ManySortedRelation</a> of the <a href="msualg_1.html#U4" title="MSUALG_1:sel.4">Sorts</a> of <font color="Olive" title="b1">A</font> holds   <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Olive" title="b2">R</font></span>)</span> <a href="pboole.html#R6" title="PBOOLE:pred.6">=</a>  <a href="msualg_6.html#K8" title="MSUALG_6:func.8">TRS</a> <font color="Olive" title="b2">R</font></span><br/><b>let </b><font color="Maroon" title="c2">A</font> be  <a href="msualg_1.html#V5" title="MSUALG_1:attr.5">non-empty</a>  <a href="msualg_1.html#L3" title="MSUALG_1:struct.3">MSAlgebra</a> of <font color="Maroon" title="c1">S</font>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> for <font color="Olive" title="b1">R</font> being  <a href="msualg_4.html#NM3" title="MSUALG_4:NM.3">ManySortedRelation</a> of the <a href="msualg_1.html#U4" title="MSUALG_1:sel.4">Sorts</a> of <font color="Maroon" title="c2">A</font> holds   <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Olive" title="b1">R</font></span>)</span> <a href="pboole.html#R6" title="PBOOLE:pred.6">=</a>  <a href="msualg_6.html#K8" title="MSUALG_6:func.8">TRS</a> <font color="Olive" title="b1">R</font></span><br/><b>let </b><font color="Maroon" title="c3">R</font> be   <a href="msualg_4.html#NM3" title="MSUALG_4:NM.3">ManySortedRelation</a> of the <a href="msualg_1.html#U4" title="MSUALG_1:sel.4">Sorts</a> of <font color="Maroon" title="c2">A</font>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide">  <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font></span>)</span> <a href="pboole.html#R6" title="PBOOLE:pred.6">=</a>  <a href="msualg_6.html#K8" title="MSUALG_6:func.8">TRS</a> <font color="Maroon" title="c3">R</font></span><br/>





<a NAME="E1:63"/>
<font color="Maroon" title="c3">R</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a>  <a href="msualg_6.html#K8" title="MSUALG_6:func.8">TRS</a> <font color="Maroon" title="c3">R</font>
 
<b>by </b><i><a class="ref" href="msualg_6.html#D13" target="_self" title="MSUALG_6:def.13">Def13</a></i>;<br/>
<a NAME="E2:63"/><b>then </b>
 <a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a>  <a href="msualg_6.html#K8" title="MSUALG_6:func.8">TRS</a> <font color="Maroon" title="c3">R</font>
 
<b>by </b><i><a class="ref" href="msualg_6.html#D12" target="_self" title="MSUALG_6:def.12">Def12</a></i>;<br/>
<b>hence </b><a NAME="E3:63"/>
 <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font></span>)</span> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a>  <a href="msualg_6.html#K8" title="MSUALG_6:func.8">TRS</a> <font color="Maroon" title="c3">R</font>
 <b>by </b><i><a class="ref" href="msualg_6.html#D11" target="_self" title="MSUALG_6:def.11">Def11</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="pboole.html#D13" title="PBOOLE:def.13">PBOOLE:def 13</a> <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide">  <a href="msualg_6.html#K8" title="MSUALG_6:func.8">TRS</a> <font color="Maroon" title="c3">R</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a>  <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font></span>)</span></span><br/>

<a NAME="E4:63"/>
( <font color="Maroon" title="c3">R</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a>  <a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font> &amp;  <a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a>  <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font></span>)</span> )
 
<b>by </b><i><a class="ref" href="msualg_6.html#D11" target="_self" title="MSUALG_6:def.11">Def11</a>, <a class="ref" href="msualg_6.html#D12" target="_self" title="MSUALG_6:def.12">Def12</a></i>;<br/>
<a NAME="E5:63"/><b>then </b>
(  <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font></span>)</span> is  <a href="msualg_6.html#V3" title="MSUALG_6:attr.3">invariant</a> <a href="msualg_6.html#V4" title="MSUALG_6:attr.4">stable</a> <a href="msualg_4.html#NM4" title="MSUALG_4:NM.4">ManySortedRelation</a> of <font color="Maroon" title="c2">A</font> &amp; <font color="Maroon" title="c3">R</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a>  <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font></span>)</span> )
 
<b>by </b><i><a class="ref" href="msualg_6.html#T30" target="_self" title="MSUALG_6:th.30">Th30</a>, <a class="ref" href="pboole.html#T15" title="PBOOLE:th.15">PBOOLE:15</a></i>;<br/>
<b>hence </b><a NAME="E6:63"/>
 <a href="msualg_6.html#K8" title="MSUALG_6:func.8">TRS</a> <font color="Maroon" title="c3">R</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a>  <a href="msualg_6.html#K6" title="MSUALG_6:func.6">InvCl</a> <span class="p1">(<span class="default"><a href="msualg_6.html#K7" title="MSUALG_6:func.7">StabCl</a> <font color="Maroon" title="c3">R</font></span>)</span>
 <b>by </b><i><a class="ref" href="msualg_6.html#D13" target="_self" title="MSUALG_6:def.13">Def13</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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