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<div><span class="kw">theorem </span><a NAME="T48"><span class="comment"><font color="firebrick">:: CARD_1:48</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">M</font> being   <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>  <a href="card_1.html#NM1" title="CARD_1:NM.1">Cardinal</a>  ex <font color="Olive" title="b2">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> st <font color="Olive" title="b1">M</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">n</font></div></div>
