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

<b>consider </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> being   <a href="binop_1.html#NM2">BinOp</a> of  <a href="zfmisc_1.html#K1">bool</a> <a href="xboole_0.html#K1">{}</a> ;<br/>
<b>set </b><font color="Maroon">c<sub>3</sub></font> =  <a href="lattices.html#G3" target="_self">LattStr</a>(# <span class="p1">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <a href="xboole_0.html#K1">{}</a> </span>)</span>,<font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font> #);<br/>
<b>reconsider </b><font color="Maroon">c<sub>4</sub></font> =  <a href="lattices.html#G3" target="_self">LattStr</a>(# <span class="p1">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <a href="xboole_0.html#K1">{}</a> </span>)</span>,<font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font> #) as   <a href="lattices.html#NM1">Lattice</a> <b>by </b><i><a class="txt" href="lattices.html#E18"><i><font color="Green">Lemma16</font></i></a></i>;<br/>
<a NAME="E3:33_1_1"/>
( <font color="Maroon">c<sub>4</sub></font> is   <a href="lattices.html#NM4">0_Lattice</a> &amp; <font color="Maroon">c<sub>4</sub></font> is   <a href="lattices.html#NM5">1_Lattice</a> )
 
<b>by </b><i><a class="txt" href="lattices.html#E20"><i><font color="Green">Lemma18</font></i></a>, <a class="txt" href="lattices.html#E19"><i><font color="Green">Lemma17</font></i></a></i>;<br/>
<a NAME="E4:33_1_1"/><b>then </b>
<font color="Maroon">c<sub>4</sub></font> is <a href="lattices.html#V15" target="_self">bounded</a>
 
<b>by </b><i><a class="ref" href="lattices.html#D15" target="_self">Def15</a></i>;<br/>
<b>hence </b><a NAME="E5:33_1_1"/>
ex <font color="Olive">b<sub>1</sub></font> being  <a href="lattices.html#NM1">Lattice</a> st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="lattices.html#V15" target="_self">bounded</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="lattices.html#V3" target="_self">strict</a> )
 ;<br/>


</div>
