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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E25">Th37</font></span>: <a NAME="T38"><span class="comment"><font color="firebrick">:: CARD_2:38</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">m</font>, <font color="Olive" title="b2">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="card_1.html#K4" title="CARD_1:func.4">card</a> <span class="p1">(<span class="default"><font color="Olive" title="b2">n</font> <a href="xcmplx_0.html#K2" title="XCMPLX_0:func.2">+</a> <font color="Olive" title="b1">m</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="card_1.html#K4" title="CARD_1:func.4">card</a> <font color="Olive" title="b2">n</font></span>)</span> <a href="card_2.html#K1" title="CARD_2:func.1">+`</a> <span class="p1">(<span class="default"><a href="card_1.html#K4" title="CARD_1:func.4">card</a> <font color="Olive" title="b1">m</font></span>)</span> <span class="kw">by</span> <span class="lab"><a class="ref" href="card_2.html#T36" target="_self" onmouseover="rs('card_2/T36')" onmouseout="rh()">Th35</a></span>;<br/></div></div>
