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<div><span class="kw">theorem </span><a NAME="T69"><span class="comment"><font color="firebrick">:: XBOOLE_1:69</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">Y</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b2">A</font> being   non  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>   <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>   st <font color="Olive" title="b2">A</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b1">Y</font> holds <br/><font color="Olive" title="b2">A</font> <a href="xboole_0.html#NR5" title="XBOOLE_0:NR.5">meets</a> <font color="Olive" title="b1">Y</font> <span class="kw">by</span> <span class="lab"><a class="ref" href="xboole_1.html#T68" target="_self" onmouseover="rs('xboole_1/T68')" onmouseout="rh()">Th68</a></span>;<br/></div></div>
