<?xml version="1.0"?>
<div>:: <span class="kw">deftheorem </span>   defines <a href="partit1.html#K7" title="PARTIT1:func.7">%O</a> <a onclick="hs(this)" href="javascript:()">PARTIT1:def 8 : <br/></a><span> for <font color="Olive" title="b1">Y</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>  holds   <a href="partit1.html#K7" title="PARTIT1:func.7">%O</a> <font color="Olive" title="b1">Y</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Olive" title="b1">Y</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>;<br/></span></div>
