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<div><span class="kw">theorem </span><a NAME="T56"><span class="comment"><font color="firebrick">:: GLIB_006:56</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><br/>  for <font color="Olive" title="b2">v</font> being   <a href="glib_000.html#NM10" title="GLIB_000:NM.10">Vertex</a> of <font color="Olive" title="b1">G</font> holds <br/> ( <font color="Olive" title="b2">v</font> <a href="tarski.html#R2" title="TARSKI:pred.2">in</a>  <a href="glib_006.html#K6" title="GLIB_006:func.6">Endvertices</a> <font color="Olive" title="b1">G</font> iff <font color="Olive" title="b2">v</font> is  <a href="glib_000.html#V11" title="GLIB_000:attr.11">endvertex</a>  )</div></div>
