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<b>let </b><font color="Maroon">c<sub>1</sub></font> be  non <a href="struct_0.html#V3">empty</a>  <a href="msualg_1.html#L1">ManySortedSign</a> ;<br/>

<a NAME="E1:7"/>
(  <a href="msafree2.html#K2" target="_self">InputVertices</a> <font color="Maroon">c<sub>1</sub></font> <a href="xboole_0.html#R1">misses</a>  <a href="msafree2.html#K3" target="_self">InnerVertices</a> <font color="Maroon">c<sub>1</sub></font> &amp;  <a href="msafree2.html#K1" target="_self">SortsWithConstants</a> <font color="Maroon">c<sub>1</sub></font> <a href="tarski.html#R1">c=</a>  <a href="msafree2.html#K3" target="_self">InnerVertices</a> <font color="Maroon">c<sub>1</sub></font> )
 
<b>by </b><i><a class="ref" href="msafree2.html#T4" target="_self">Th4</a>, <a class="ref" href="msafree2.html#T5" target="_self">Th5</a></i>;<br/>
<b>hence </b><a NAME="E2:7"/>
 <a href="msafree2.html#K2" target="_self">InputVertices</a> <font color="Maroon">c<sub>1</sub></font> <a href="xboole_0.html#R1">misses</a>  <a href="msafree2.html#K1" target="_self">SortsWithConstants</a> <font color="Maroon">c<sub>1</sub></font>
 <b>by </b><i><a class="ref" href="xboole_1.html#T63">XBOOLE_1:63</a></i>;<br/>


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