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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E12">Th41</font></span>: <a NAME="T41"><span class="comment"><font color="firebrick">:: RELSET_3:41</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being   <a href="membered.html#V6" title="MEMBERED:attr.6">natural-membered</a>   <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds   <a href="relset_3.html#K2" title="RELSET_3:func.2">addRel</a> (<font color="Olive" title="b1">X</font>,1) <a href="relset_1.html#R2" title="RELSET_1:pred.2">=</a>  <a href="relset_3.html#K1" title="RELSET_3:func.1">succRel</a> <font color="Olive" title="b1">X</font></div></div>
