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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be    <a href="hidden.html#M1">set</a> ;<br/>

<b>set </b><font color="Maroon">c<sub>4</sub></font> =  <a href="gfacirc1.html#K10" target="_self">GFA0AdderStr</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font>;<br/>
<b>set </b><font color="Maroon">c<sub>5</sub></font> =  <a href="gfacirc1.html#K7" target="_self">GFA0CarryStr</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font>;<br/>
<a NAME="E1:52"/>
(  <a href="msafree2.html#K4">InnerVertices</a> <span class="p1">(<span class="default"><a href="gfacirc1.html#K10" target="_self">GFA0AdderStr</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span>)</span> is   <a href="relat_1.html#NM1">Relation</a> &amp;  <a href="msafree2.html#K4">InnerVertices</a> <span class="p1">(<span class="default"><a href="gfacirc1.html#K7" target="_self">GFA0CarryStr</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span>)</span> is   <a href="relat_1.html#NM1">Relation</a> )
 
<b>by </b><i><a class="ref" href="facirc_1.html#T58">FACIRC_1:58</a>, <a class="ref" href="gfacirc1.html#T15" target="_self">Th15</a></i>;<br/>
<b>hence </b><a NAME="E2:52"/>
 <a href="msafree2.html#K4">InnerVertices</a> <span class="p1">(<span class="default"><a href="gfacirc1.html#K13" target="_self">BitGFA0Str</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span>)</span> is   <a href="relat_1.html#NM1">Relation</a>
 <b>by </b><i><a class="ref" href="facirc_1.html#T3">FACIRC_1:3</a></i>;<br/>


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