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

<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="filter_0.html#NM2">I_Lattice</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be    <a href="filter_0.html#M1" target="_self">Filter</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>





<a NAME="E1:55"/>
<font color="Maroon">c<sub>2</sub></font> <a href="filter_0.html#K6" target="_self">"/\"</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="filter_0.html#K3" target="_self">&lt;.</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="filter_0.html#K6" target="_self">"/\"</a> <font color="Maroon">c<sub>3</sub></font></span>)</span></span><a href="filter_0.html#K3" target="_self">.)</a></span>
 
<b>by </b><i><a class="ref" href="filter_0.html#T26" target="_self">Th26</a></i>;<br/>
<b>hence </b><a NAME="E2:55"/>
<span class="p1"><a href="filter_0.html#K3" target="_self">&lt;.</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="subset_1.html#K4">\/</a> <font color="Maroon">c<sub>3</sub></font></span>)</span></span><a href="filter_0.html#K3" target="_self">.)</a></span> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>2</sub></font> <a href="filter_0.html#K6" target="_self">"/\"</a> <font color="Maroon">c<sub>3</sub></font>
 <b>by </b><i><a class="ref" href="filter_0.html#T50" target="_self">Th50</a></i>;<br/>


</div>
