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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E28">Th39</font></span>: <a NAME="T39"><span class="comment"><font color="firebrick">:: EXCHSORT:39</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">A</font>, <font color="Olive" title="b2">B</font> being   <a href="exchsort.html#NM1" title="EXCHSORT:NM.1">array</a>  st <font color="Olive" title="b1">A</font> is    <a href="exchsort.html#M1" title="EXCHSORT:mode.1">permutation</a> of <font color="Olive" title="b2">B</font> holds <br/><font color="Olive" title="b2">B</font> is    <a href="exchsort.html#M1" title="EXCHSORT:mode.1">permutation</a> of <font color="Olive" title="b1">A</font></div></div>
