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<div><span class="kw">theorem </span><a NAME="T45"><span class="comment"><font color="firebrick">:: GLIB_015:45</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">F1</font>, <font color="Olive" title="b2">F2</font> being   <a href="glib_000.html#V12" title="GLIB_000:attr.12">Graph-yielding</a>  <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a>  st <font color="Olive" title="b1">F1</font>,<font color="Olive" title="b2">F2</font> <a href="glib_015.html#R4" title="GLIB_015:pred.4">are_isomorphic</a>  holds <br/> <a href="card_1.html#K1" title="CARD_1:func.1">card</a> <font color="Olive" title="b1">F1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="card_1.html#K1" title="CARD_1:func.1">card</a> <font color="Olive" title="b2">F2</font></div></div>
