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<div><span class="kw">theorem </span><a NAME="T72"><span class="comment"><font color="firebrick">:: EUCLID:72</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="euclid.html#K10" title="EUCLID:func.10">abs</a> <span class="p1">(<span class="default"><a href="euclid.html#K21" title="EUCLID:func.21">1*</a> <font color="Olive" title="b1">n</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">n</font> <a href="finseq_2.html#K5" title="FINSEQ_2:func.5">|-&gt;</a> 1</div></div>
