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<div><span class="kw">theorem </span><a NAME="T12"><span class="comment"><font color="firebrick">:: DTCONSTR:12</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  <font color="Olive" title="b1">n</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <a href="dtconstr.html#K12" title="DTCONSTR:func.12">PN-to-NAT</a> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1">(<span class="default"><a href="dtconstr.html#K14" title="DTCONSTR:func.14">NAT-to-PN</a> <a href="nat_1.html#K8" title="NAT_1:func.8">.</a> <font color="Olive" title="b1">n</font></span>)</span></div></div>
