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

<b>let </b><font color="Maroon" title="c1">X</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>let </b><font color="Maroon" title="c2">Y</font> be  <a href="membered.html#V5" title="MEMBERED:attr.5">integer-membered</a>  <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/>



<b>assume </b><a NAME="E1:34"/><i><font color="Green" title="E18">A1</font></i>: 
<font color="Maroon" title="c1">X</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Maroon" title="c2">Y</font>
 ;<br/>

<b>let </b><font color="Maroon" title="c3">x</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="membered.html#D5" target="_self" title="MEMBERED:def.5">MEMBERED:def 5</a><br/>

<b>thus </b><a NAME="E2:34"/>
( <font color="Maroon" title="c3">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c1">X</font> implies <font color="Maroon" title="c3">x</font> is <a href="int_1.html#V1" title="INT_1:attr.1">integer</a> )
 <b>by </b><i><a class="txt" href="membered.html#E1:34"><i><font color="Green" title="E18">A1</font></i></a>, <a class="ref" href="membered.html#D5" target="_self" title="MEMBERED:def.5">Def5</a></i>;<br/>


</div>
