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<div><span class="kw">theorem </span><a NAME="T72"><span class="comment"><font color="firebrick">:: GROUP_5:72</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">G</font> being   <a href="group_1.html#NM1" title="GROUP_1:NM.1">Group</a> holds  <font color="Olive" title="b1">G</font> <a href="group_5.html#K9" title="GROUP_5:func.9">`</a>  <a href="group_2.html#R1" title="GROUP_2:pred.1">=</a>  <a href="group_4.html#K5" title="GROUP_4:func.5">gr</a> <span class="p1">(<span class="default"><a href="group_5.html#K6" title="GROUP_5:func.6">commutators</a> <font color="Olive" title="b1">G</font></span>)</span> ;<br/></div></div>
