<?xml version="1.0"?>
<div class="add">

<a NAME="E1:60_1_1"/>
<font color="Maroon" title="c1">X</font> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <font color="Maroon" title="c2">Y</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Maroon" title="c1">X</font>
 
<b>by </b><i><a class="ref" href="xboole_1.html#T17" title="XBOOLE_1:th.17">XBOOLE_1:17</a></i>;<br/>
<b>hence </b><a NAME="E2:60_1_1"/>
<font color="Maroon" title="c1">X</font> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <font color="Maroon" title="c2">Y</font> is <a href="membered.html#V2" title="MEMBERED:attr.2">real-membered</a>
 <b>by </b><i><a class="ref" href="membered.html#T17" target="_self" title="MEMBERED:th.17">Th17</a></i>;<br/>


</div>
