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

<a NAME="E1:33_1_1"/>
<font color="Maroon">a</font> <a href="gcd_1.html#R4" target="_self">is_associated_to</a> <font color="Maroon">a</font>
 
;<br/>
<b>hence </b><a NAME="E2:33_1_1"/>
not  <a href="gcd_1.html#K2" target="_self">Class</a> <font color="Maroon">a</font> is <a href="xboole_0.html#V1">empty</a>
 <b>by </b><i/>;<br/>


</div>
