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<div><span class="kw">theorem </span><a NAME="T64"><span class="comment"><font color="firebrick">:: CLASSES2:64</font></span><br/></a><div class="add"> <a href="classes2.html#K13" title="CLASSES2:func.13">FinSETS</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="classes1.html#K4" title="CLASSES1:func.4">Rank</a> <a href="ordinal1.html#K4" title="ORDINAL1:func.4">omega</a></div></div>
