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<div><span class="kw">theorem </span><a NAME="T129"><span class="comment"><font color="firebrick">:: GLIB_000:129</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">X</font>, <font color="Olive" title="b3">Y</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b4">e</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">object</a>  holds <br/> ( <font color="Olive" title="b4">e</font> <a href="glib_000.html#R3" title="GLIB_000:pred.3">SJoins</a> <font color="Olive" title="b2">X</font>,<font color="Olive" title="b3">Y</font>,<font color="Olive" title="b1">G</font> iff <font color="Olive" title="b4">e</font> <a href="glib_000.html#R3" title="GLIB_000:pred.3">SJoins</a> <font color="Olive" title="b3">Y</font>,<font color="Olive" title="b2">X</font>,<font color="Olive" title="b1">G</font> ) ;<br/></div></div>
