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<div><span class="kw">theorem </span><a NAME="T128"><span class="comment"><font color="firebrick">:: SEQ_4:128</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><br/>  for <font color="Olive" title="b2">A</font>, <font color="Olive" title="b3">B</font> being   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <span class="p1">(<span class="default"><a href="seq_4.html#K12" title="SEQ_4:func.12">COMPLEX</a> <font color="Olive" title="b1">n</font></span>)</span> holds   <a href="seq_4.html#K24" title="SEQ_4:func.24">dist</a> (<font color="Olive" title="b2">A</font>,<font color="Olive" title="b3">B</font>) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="seq_4.html#K24" title="SEQ_4:func.24">dist</a> (<font color="Olive" title="b3">B</font>,<font color="Olive" title="b2">A</font>)</div></div>
