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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E27">Th30</font></span>: <a NAME="T30"><span class="comment"><font color="firebrick">:: GLCOLO00:30</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">G</font> being   <a href="glib_000.html#NM2" title="GLIB_000:NM.2">_Graph</a> holds <br/> ( <font color="Olive" title="b1">G</font> is  <a href="glib_008.html#V1" title="GLIB_008:attr.1">edgeless</a>  iff <font color="Olive" title="b1">G</font> is 1 <a href="glcolo00.html#V2" title="GLCOLO00:attr.2">-vcolorable</a>  )</div></div>
