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<div><span class="kw">theorem </span><a NAME="T60"><span class="comment"><font color="firebrick">:: ORDERS_1:60</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">R</font> being   <a href="relat_1.html#NM1" title="RELAT_1:NM.1">Relation</a><br/>  for <font color="Olive" title="b2">x</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds <br/> ( <font color="Olive" title="b2">x</font> <a href="orders_1.html#R7" title="ORDERS_1:pred.7">is_minimal_in</a> <font color="Olive" title="b1">R</font> <a href="relat_1.html#K2" title="RELAT_1:func.2">~</a>  iff <font color="Olive" title="b2">x</font> <a href="orders_1.html#R6" title="ORDERS_1:pred.6">is_maximal_in</a> <font color="Olive" title="b1">R</font> )</div></div>
