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<div><span class="kw">theorem </span><a NAME="T35"><span class="comment"><font color="firebrick">:: CARD_3:35</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">K</font> being   <a href="card_1.html#NM1" title="CARD_1:NM.1">Cardinal</a> holds   <a href="card_3.html#K6" title="CARD_3:func.6">Sum</a> <span class="p1">(<span class="default"><a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> <a href="funcop_1.html#K7" title="FUNCOP_1:func.7">--&gt;</a> <font color="Olive" title="b1">K</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="ordinal1.html#K5" title="ORDINAL1:func.5">0</a> </div></div>
