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

<a NAME="E1:59_2_1"/>
<font color="Maroon">T</font> <a href="hidden.html#R2">in</a> <span class="p1">{<span class="default"> <span class="p2"><a href="tarski.html#K4">[</a><span class="default"><font color="Olive">t</font>,<font color="Olive">Y</font></span><a href="tarski.html#K4">]</a></span> where <font color="Olive">t</font> is    <a href="subset_1.html#M1">Element</a> of  <a href="coh_sp.html#K16" target="_self">Toler_on_subsets</a> <font color="Maroon">X</font>, <font color="Olive">Y</font> is   <a href="subset_1.html#NM2">Subset</a> of <font color="Maroon">X</font> : <font color="Olive">t</font> is   <a href="eqrel_1.html#NM1">Tolerance</a> of <font color="Olive">Y</font> </span>}</span> 
 
;<br/>
<b>then consider </b><font color="Maroon">t</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="coh_sp.html#K16" target="_self">Toler_on_subsets</a> <font color="Maroon">X</font>, <font color="Maroon">Y</font> being   <a href="subset_1.html#NM2">Subset</a> of <font color="Maroon">X</font><b> such that </b><br/><a NAME="E3:59_2_1"/><i><font color="Green">E18</font></i>: 
( <font color="Maroon">T</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="tarski.html#K4">[</a><span class="default"><font color="Maroon">t</font>,<font color="Maroon">Y</font></span><a href="tarski.html#K4">]</a></span> &amp; <font color="Maroon">t</font> is   <a href="eqrel_1.html#NM1">Tolerance</a> of <font color="Maroon">Y</font> )
 ;<br/>
<a NAME="E4:59_2_1"/>
( <font color="Maroon">T</font> <a href="mcart_1.html#K1">`1</a>  <a href="hidden.html#R1">=</a> <font color="Maroon">t</font> &amp; <font color="Maroon">T</font> <a href="mcart_1.html#K2">`2</a>  <a href="hidden.html#R1">=</a> <font color="Maroon">Y</font> )
 
<b>by </b><i>, <a class="ref" href="mcart_1.html#D1">MCART_1:def 1</a>, <a class="ref" href="mcart_1.html#D2">MCART_1:def 2</a></i>;<br/>
<b>hence </b><a NAME="E5:59_2_1"/>
<font color="Maroon">T</font> <a href="mcart_1.html#K1">`1</a>  is   <a href="eqrel_1.html#NM1">Tolerance</a> of <font color="Maroon">T</font> <a href="mcart_1.html#K2">`2</a> 
 <b>by </b><i/>;<br/>


</div>
