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<b>let </b><font color="Maroon">G</font> be  <a href="glib_000.html#V2">finite</a> <a href="glib_000.html#NM2">_Graph</a>;<br/><b>let </b><font color="Maroon">S</font> be    <a href="chord.html#M3" target="_self">VertexScheme</a> of <font color="Maroon">G</font>;<br/>



<a NAME="E1:127"/>
 <a href="finseq_1.html#K3">len</a> <font color="Maroon">S</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> 0
 
<b>by </b><i><a class="ref" href="graph_5.html#T5">GRAPH_5:5</a></i>;<br/>
<b>hence </b><a NAME="E2:127"/>
1 <a href="xxreal_0.html#R1">&lt;=</a>  <a href="finseq_1.html#K3">len</a> <font color="Maroon">S</font>
 <b>by </b><i><a class="ref" href="nat_1.html#T39">NAT_1:39</a></i>;<br/>


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