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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E21">Th21</font></span>: <a NAME="T22"><span class="comment"><font color="firebrick">:: CARD_5:22</font></span><br/></a><div class="add"> <a href="card_5.html#K1" title="CARD_5:func.1">cf</a> <a href="ordinal1.html#K4" title="ORDINAL1:func.4">omega</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="ordinal1.html#K4" title="ORDINAL1:func.4">omega</a> </div></div>
