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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E16">Th26</font></span>: <a NAME="T13"><span class="comment"><font color="firebrick">:: ORDINAL7:13</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">a</font> being   <a href="ordinal1.html#NM3" title="ORDINAL1:NM.3">Ordinal</a><br/>  for <font color="Olive" title="b2">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="ordinal5.html#K4" title="ORDINAL5:func.4">Sum^</a> <span class="p1">(<span class="default"><font color="Olive" title="b2">n</font> <a href="funcop_1.html#K7" title="FUNCOP_1:func.7">--&gt;</a> <font color="Olive" title="b1">a</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b2">n</font> <a href="ordinal2.html#K11" title="ORDINAL2:func.11">*^</a> <font color="Olive" title="b1">a</font></div></div>
