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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be  non <a href="struct_0.html#V3">empty</a> <a href="circcomb.html#V1">unsplit</a> <a href="circcomb.html#V2">gate`1=arity</a>  <a href="msualg_1.html#L1">ManySortedSign</a> ;<br/>

<a NAME="E1:21"/>
<font color="Maroon">c<sub>1</sub></font> <a href="circcomb.html#R1">tolerates</a> <font color="Maroon">c<sub>2</sub></font>
 
<b>by </b><i><a class="ref" href="circcomb.html#T55">CIRCCOMB:55</a></i>;<br/>
<b>hence </b><a NAME="E2:21"/>
(  <a href="msafree2.html#K3">InnerVertices</a> <font color="Maroon">c<sub>1</sub></font> is   <a href="relat_1.html#NM1">Relation</a> &amp;  <a href="msafree2.html#K3">InnerVertices</a> <font color="Maroon">c<sub>2</sub></font> is   <a href="relat_1.html#NM1">Relation</a> implies  <a href="msafree2.html#K3">InnerVertices</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="circcomb.html#K3">+*</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> is   <a href="relat_1.html#NM1">Relation</a> )
 <b>by </b><i><a class="ref" href="facirc_1.html#T2" target="_self">Th2</a></i>;<br/>


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