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<a NAME="E1:25_1_1"/>
<span class="p1"><a href="closure2.html#K4" target="_self">|:</a><span class="default"><font color="Maroon">S</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">I</font>
 
<b>by </b><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">S</font></span><a href="closure2.html#K4" target="_self">:|</a></span> is <a href="relat_1.html#V3">empty-yielding</a>
 ;<br/>


</div>
