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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E58">Th89</font></span>: <a NAME="T90"><span class="comment"><font color="firebrick">:: SEQ_4:90</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="seq_4.html#K19" title="SEQ_4:func.19">abs</a> <span class="p1">(<span class="default"><a href="seq_4.html#K15" title="SEQ_4:func.15">0c</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> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a></div></div>
