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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E95">ThD1Commutative</font></span>: <a NAME="T106"><span class="comment"><font color="firebrick">:: GROUP_24:106</font></span><br/></a><div class="add">(  <a href="group_24.html#K6" title="GROUP_24:func.6">Dihedral_group</a> 1, <a href="gr_cy_1.html#K4" title="GR_CY_1:func.4">INT.Group</a> 2 <a href="group_6.html#R2" title="GROUP_6:pred.2">are_isomorphic</a>  &amp;  <a href="group_24.html#K6" title="GROUP_24:func.6">Dihedral_group</a> 1 is  <a href="group_1.html#V5" title="GROUP_1:attr.5">commutative</a>  )</div></div>
