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<div><span class="kw">theorem </span><a NAME="T63"><span class="comment"><font color="firebrick">:: NAT_1:63</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="card_1.html#K5" title="CARD_1:func.5">Segm</a> <font color="Olive" title="b1">n</font> <a href="ordinal1.html#R1" title="ORDINAL1:pred.1">c=</a>  <a href="card_1.html#K5" title="CARD_1:func.5">Segm</a> <span class="p1">(<span class="default"><font color="Olive" title="b1">n</font> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span> <span class="kw">by</span> <span class="lab"><a class="ref" href="nat_1.html#T11" target="_self" onmouseover="rs('nat_1/T11')" onmouseout="rh()">Th11</a>, <a class="ref" href="nat_1.html#T39" target="_self" onmouseover="rs('nat_1/T39')" onmouseout="rh()">Th27</a></span>;<br/></div></div>
