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

<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be   <a href="finseq_1.html#NM1">FinSequence</a>;<br/>

<b>assume </b><a NAME="E1:47"/>
<font color="Maroon">c<sub>1</sub></font> <a href="graph_2.html#K3">^'</a> <font color="Maroon">c<sub>2</sub></font> is <a href="funct_1.html#V3">constant</a>
 ;<br/>

<b>then reconsider </b><font color="Maroon">c<sub>3</sub></font> = <font color="Maroon">c<sub>1</sub></font> <a href="graph_2.html#K3">^'</a> <font color="Maroon">c<sub>2</sub></font> as  <a href="funct_1.html#V3">constant</a> <a href="finseq_1.html#NM1">FinSequence</a> ;<br/>
<a NAME="E3:47"/>
 <a href="relat_1.html#K2">rng</a> <font color="Maroon">c<sub>1</sub></font> <a href="tarski.html#R1">c=</a>  <a href="relat_1.html#K2">rng</a> <font color="Maroon">c<sub>3</sub></font>
 
<b>by </b><i><a class="ref" href="topreal8.html#T10">TOPREAL8:10</a></i>;<br/>
<a NAME="E4:47"/><b>then </b>
 <a href="relat_1.html#K2">rng</a> <font color="Maroon">c<sub>1</sub></font> is <a href="realset1.html#V1">trivial</a>
 
<b>by </b><i><a class="ref" href="sprect_1.html#T1">SPRECT_1:1</a></i>;<br/>
<b>hence </b><a NAME="E5:47"/>
<font color="Maroon">c<sub>1</sub></font> is <a href="funct_1.html#V3">constant</a>
 <b>by </b><i><a class="ref" href="sprect_1.html#T2">SPRECT_1:2</a></i>;<br/>


</div>
