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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E5">Th5</font></span>: <a NAME="T5"><span class="comment"><font color="firebrick">:: OPOSET_1:5</font></span><br/></a><div class="add"> <a href="oposet_1.html#K1" title="OPOSET_1:func.1">TrivOrthoRelStr</a>  is  <a href="necklace.html#V1" title="NECKLACE:attr.1">symmetric</a>  ;<br/></div></div>
