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

<b>consider </b><font color="Maroon" title="c2">s</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c1">S</font>;<br/>
<b>take </b>
<span class="p1"><a href="domain_1.html#K6" title="DOMAIN_1:func.6">{</a><span class="default"><font color="Maroon" title="c2">s</font></span><a href="domain_1.html#K6" title="DOMAIN_1:func.6">}</a></span>
;<br/>

<b>thus </b><a NAME="E2:12_1_1"/>
<span class="p1"><a href="domain_1.html#K6" title="DOMAIN_1:func.6">{</a><span class="default"><font color="Maroon" title="c2">s</font></span><a href="domain_1.html#K6" title="DOMAIN_1:func.6">}</a></span> is <a href="realset1.html#V1" title="REALSET1:attr.1">trivial</a>
 ;<br/>


</div>
