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

<a NAME="E1:25_1_1"/>
<span class="p1"><a href="closure2.html#K4" target="_self">|:</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="closure2.html#K4" target="_self">:|</a></span> <a href="pboole.html#R6">=</a>  <a href="pboole.html#K1">[0]</a> <font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="ref" href="closure2.html#D4" target="_self">Def4</a></i>;<br/>
<b>hence </b><a NAME="E2:25_1_1"/>
<span class="p1"><a href="closure2.html#K4" target="_self">|:</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="closure2.html#K4" target="_self">:|</a></span> is <a href="relat_1.html#V3">empty-yielding</a>
 ;<br/>


</div>
