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

<a NAME="E1:11_1_1"/>
 <a href="closure2.html#K1" target="_self">Bool</a> <font color="Maroon">c<sub>2</sub></font> <a href="tarski.html#R1">c=</a>  <a href="closure2.html#K1" target="_self">Bool</a> <font color="Maroon">c<sub>2</sub></font>
 
;<br/>
<b>hence </b><a NAME="E2:11_1_1"/>
 <a href="closure2.html#K1" target="_self">Bool</a> <font color="Maroon">c<sub>2</sub></font> is   <a href="closure2.html#NM1">SubsetFamily</a> of <font color="Maroon">c<sub>2</sub></font>
 ;<br/>


</div>
