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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E34">JacSym</font></span>: <a NAME="T42"><span class="comment"><font color="firebrick">:: ROUGHIF2:42</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">R</font> being   <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>   <a href="hidden.html#M2" title="HIDDEN:mode.2">set</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 <font color="Olive" title="b1">R</font> holds   <a href="roughif2.html#K5" title="ROUGHIF2:func.5">JaccardIndex</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="roughif2.html#K5" title="ROUGHIF2:func.5">JaccardIndex</a> (<font color="Olive" title="b3">B</font>,<font color="Olive" title="b2">A</font>)</div></div>
