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<div><span class="kw">theorem </span><a NAME="T111"><span class="comment"><font color="firebrick">:: GROUP_24:111</font></span><br/></a><div class="add"> <a href="group_5.html#K10" title="GROUP_5:func.10">center</a> <span class="p1">(<span class="default"><a href="group_24.html#K6" title="GROUP_24:func.6">Dihedral_group</a> 1</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="group_24.html#K6" title="GROUP_24:func.6">Dihedral_group</a> 1 <span class="kw">by</span> <span class="lab"><a class="ref" href="group_24.html#T106" target="_self" onmouseover="rs('group_24/T106')" onmouseout="rh()">ThD1Commutative</a>, <a class="ref" href="group_5.html#T82" onmouseover="rs('group_5/T82')" onmouseout="rh()">GROUP_5:82</a></span>;<br/></div></div>
