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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E68">Th91</font></span>: <a NAME="T91"><span class="comment"><font color="firebrick">:: GLIB_000:91</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">G1</font>, <font color="Olive" title="b2">G2</font>, <font color="Olive" title="b3">G3</font> being   <a href="glib_000.html#NM2" title="GLIB_000:NM.2">_Graph</a>  st <font color="Olive" title="b1">G1</font> <a href="glib_000.html#R5" title="GLIB_000:pred.5">==</a> <font color="Olive" title="b2">G2</font> &amp; <font color="Olive" title="b3">G3</font> is    <a href="glib_000.html#M1" title="GLIB_000:mode.1">Subgraph</a> of <font color="Olive" title="b1">G1</font> holds <br/><font color="Olive" title="b3">G3</font> is    <a href="glib_000.html#M1" title="GLIB_000:mode.1">Subgraph</a> of <font color="Olive" title="b2">G2</font></div></div>
