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<div><span class="kw">theorem </span><a NAME="T18"><span class="comment"><font color="firebrick">:: CARDFIL2:18</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b2">B</font> being   <a href="setfam_1.html#NM1" title="SETFAM_1:NM.1">Subset-Family</a> of <font color="Olive" title="b1">X</font> holds  <font color="Olive" title="b2">B</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1"><a href="cardfil2.html#K3" title="CARDFIL2:func.3">&lt;.</a><span class="default"><font color="Olive" title="b2">B</font></span><a href="cardfil2.html#K3" title="CARDFIL2:func.3">.]</a></span> <span class="kw">by</span> <span class="lab"><a class="ref" href="cardfil2.html#D8" target="_self" onmouseover="rs('cardfil2/D8')" onmouseout="rh()">def3</a></span>;<br/></div></div>
