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<b>let </b><font color="Maroon">c<sub>4</sub></font> be    <a href="glib_000.html#M3" target="_self">inducedSubgraph</a> of <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="E1:56_1_1"/>
(  <a href="glib_000.html#K25" target="_self">the_Vertices_of</a> <font color="Maroon">c<sub>4</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>2</sub></font> &amp;  <a href="glib_000.html#K26" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>4</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>3</sub></font> )
 
<b>by </b><i><a class="ref" href="glib_000.html#D39" target="_self">Def39</a></i>;<br/>
<b>hence </b><a NAME="E2:56_1_1"/>
<font color="Maroon">c<sub>4</sub></font> is <a href="glib_000.html#V2" target="_self">finite</a>
 <b>by </b><i><a class="ref" href="glib_000.html#D19" target="_self">Def19</a></i>;<br/>


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