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

<b>set </b><font color="Maroon">c<sub>1</sub></font> =  <a href="lattice3.html#K1">BooleLatt</a> <a href="xboole_0.html#K1">{}</a> ;<br/>
<a NAME="E1:1_1_1"/><i><font color="Green">E1</font></i>: 
the <a href="struct_0.html#U1">carrier</a> of <span class="p1">(<span class="default"><a href="lattice3.html#K1">BooleLatt</a> <a href="xboole_0.html#K1">{}</a> </span>)</span> <a href="hidden.html#R1">=</a>  <a href="zfmisc_1.html#K1">bool</a> <a href="xboole_0.html#K1">{}</a> 
 
<b>by </b><i><a class="ref" href="lattice3.html#D1">LATTICE3:def 1</a></i>;<br/>
<a NAME="E2:1_1_1"/>
 <a href="zfmisc_1.html#K1">bool</a> <a href="xboole_0.html#K1">{}</a>  is <a href="finset_1.html#V1">finite</a>
 
<b>by </b><i><a class="ref" href="finset_1.html#T24">FINSET_1:24</a></i>;<br/>
<a NAME="E3:1_1_1"/><b>then </b>
 <a href="lattice3.html#K1">BooleLatt</a> <a href="xboole_0.html#K1">{}</a>  is <a href="group_1.html#V6">finite</a>
 
<b>by </b><i><a class="txt" href="lattice6.html#E1:1_1_1"><i><font color="Green">E1</font></i></a>, <a class="ref" href="group_1.html#D14">GROUP_1:def 14</a></i>;<br/>
<b>hence </b><a NAME="E4:1_1_1"/>
ex <font color="Olive">b<sub>1</sub></font> being  <a href="lattices.html#NM1">Lattice</a> st <font color="Olive">b<sub>1</sub></font> is <a href="group_1.html#V6">finite</a>
 ;<br/>


</div>
