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<div><span class="kw">theorem </span><a NAME="T12"><span class="comment"><font color="firebrick">:: SETFAM_1:12</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">SFX</font>, <font color="Olive" title="b2">SFY</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>   st <font color="Olive" title="b1">SFX</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b2">SFY</font> holds <br/><font color="Olive" title="b1">SFX</font> <a href="setfam_1.html#R1" title="SETFAM_1:pred.1">is_finer_than</a> <font color="Olive" title="b2">SFY</font> ;<br/></div></div>
