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

<b>let </b><font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be    <a href="subset_1.html#M1">Element</a> of  <a href="arytm_2.html#K2">REAL+</a> ;<br/>



<b>assume </b><a NAME="E1:14"/><i><font color="Green">E13</font></i>: 
<font color="Maroon">c<sub>2</sub></font> <a href="arytm_2.html#R1">&lt;='</a> <font color="Maroon">c<sub>3</sub></font>
 ;<br/>

<b>assume </b><a NAME="E2:14"/>
<font color="Maroon">c<sub>3</sub></font> <a href="arytm_1.html#K1" target="_self">-'</a> <font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a>  <a href="arytm_3.html#K13">{}</a> 
 ;<br/>

<a NAME="E3:14"/><b>then </b>
<font color="Maroon">c<sub>3</sub></font> <a href="arytm_2.html#R1">&lt;='</a> <font color="Maroon">c<sub>2</sub></font>
 
<b>by </b><i><a class="ref" href="arytm_1.html#T9" target="_self">Th9</a></i>;<br/>
<b>hence </b><a NAME="E4:14"/>
<font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>3</sub></font>
 <b>by </b><i><a class="txt" href="arytm_1.html#E1:14"><i><font color="Green">E13</font></i></a>, <a class="ref" href="arytm_1.html#T4" target="_self">Th4</a></i>;<br/>


</div>
