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

<a NAME="E1:18_1_1"/>
 <a href="yellow_0.html#K3" title="YELLOW_0:func.3">Bottom</a> <font color="Maroon" title="c1">L</font> <a href="waybel_3.html#NR2" title="WAYBEL_3:NR.2">&lt;&lt;</a> <font color="Maroon" title="c2">x</font>
 
<b>by </b><i><a class="ref" href="waybel_3.html#T4" target="_self" title="WAYBEL_3:th.4">Th4</a></i>;<br/>
<b>hence </b><a NAME="E2:18_1_1"/>
not  <a href="waybel_3.html#K1" title="WAYBEL_3:func.1">waybelow</a> <font color="Maroon" title="c2">x</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>
 <b>by </b><i><a class="ref" href="waybel_3.html#T7" target="_self" title="WAYBEL_3:th.7">Th7</a></i>;<br/>


</div>
