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

<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="margrel1.html#NM1">relation</a>;<br/>

<b>assume </b><a NAME="E1:10"/><i><font color="Green">E3</font></i>: 
for <font color="Olive">b<sub>1</sub></font> being  <a href="finseq_1.html#NM1">FinSequence</a> holds not <font color="Olive">b<sub>1</sub></font> <a href="hidden.html#R2">in</a> <font color="Maroon">c<sub>1</sub></font>
 ;<br/>

<b>assume </b><a NAME="E2:10"/>
<font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="xboole_0.html#K1">{}</a> 
 ;<br/>

<b>then consider </b><font color="Maroon">c<sub>2</sub></font> being    <a href="hidden.html#M1">set</a> <b> such that </b><br/><a NAME="E4:10"/><i><font color="Green">E4</font></i>: 
<font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R2">in</a> <font color="Maroon">c<sub>1</sub></font>
 <b>by </b><i><a class="ref" href="xboole_0.html#D1">XBOOLE_0:def 1</a></i>;<br/>
<a NAME="E5:10"/>
<font color="Maroon">c<sub>2</sub></font> is   <a href="finseq_1.html#NM1">FinSequence</a>
 
<b>by </b><i><a class="txt" href="margrel1.html#E4:10"><i><font color="Green">E4</font></i></a>, <a class="ref" href="margrel1.html#D1" target="_self">Def1</a></i>;<br/>
<b>hence </b><a NAME="E6:10"/>
contradiction
 <b>by </b><i><a class="txt" href="margrel1.html#E1:10"><i><font color="Green">E3</font></i></a>, <a class="txt" href="margrel1.html#E4:10"><i><font color="Green">E4</font></i></a></i>;<br/>


</div>
