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

<b>let </b><font color="Maroon">MS</font> be   <a href="analmetr.html#NM2">OrtAfPl</a>;<br/><b>let </b><font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">MS</font>, <font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">MS</font>;<br/><b>let </b><font color="Maroon">A</font> be   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">MS</font>, <font color="Maroon">K</font> be   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">MS</font>;<br/>





<b>assume </b><b>that </b><br/><a NAME="E1:10"/><i><font color="Green">E34</font></i>: 
<font color="Maroon">a</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">b</font>
 <b>and </b><br/><a NAME="E2:10"/><i><font color="Green">E35</font></i>: 
( <font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="analmetr.html#R6">_|_</a> <font color="Maroon">K</font> or <font color="Maroon">b</font>,<font color="Maroon">a</font> <a href="analmetr.html#R6">_|_</a> <font color="Maroon">K</font> )
 <b>and </b><br/><a NAME="E3:10"/><i><font color="Green">E44</font></i>: 
<font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="analmetr.html#R6">_|_</a> <font color="Maroon">A</font>
 ;<br/>

<a NAME="E4:10"/>
<font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="analmetr.html#R6">_|_</a> <font color="Maroon">K</font>
 
<b>by </b><i>, <a class="ref" href="analmetr.html#T67">ANALMETR:67</a></i>;<br/>
<b>then consider </b><font color="Maroon">p</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">MS</font>, <font color="Maroon">q</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">MS</font><b> such that </b><br/><a NAME="E6:10"/><i><font color="Green">E48</font></i>: 
( <font color="Maroon">p</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">q</font> &amp; <font color="Maroon">K</font> <a href="hidden.html#R1">=</a>  <a href="analmetr.html#K4">Line</a> <font color="Maroon">p</font>,<font color="Maroon">q</font> &amp; <font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="analmetr.html#R4">_|_</a> <font color="Maroon">p</font>,<font color="Maroon">q</font> )
 <b>by </b><i><a class="ref" href="analmetr.html#D14">ANALMETR:def 14</a></i>;<br/>
<b>consider </b><font color="Maroon">r</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">MS</font>, <font color="Maroon">s</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">MS</font><b> such that </b><br/><a NAME="E8:10"/><i><font color="Green">E51</font></i>: 
( <font color="Maroon">r</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">s</font> &amp; <font color="Maroon">A</font> <a href="hidden.html#R1">=</a>  <a href="analmetr.html#K4">Line</a> <font color="Maroon">r</font>,<font color="Maroon">s</font> &amp; <font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="analmetr.html#R4">_|_</a> <font color="Maroon">r</font>,<font color="Maroon">s</font> )
 <b>by </b><i>, <a class="ref" href="analmetr.html#D14">ANALMETR:def 14</a></i>;<br/>
<a NAME="E9:10"/>
<font color="Maroon">p</font>,<font color="Maroon">q</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">r</font>,<font color="Maroon">s</font>
 
<b>by </b><i>, , , <a class="ref" href="analmetr.html#T85">ANALMETR:85</a></i>;<br/>
<b>hence </b><a NAME="E10:10"/>
<font color="Maroon">K</font> <a href="analmetr.html#R9">//</a> <font color="Maroon">A</font>
 <b>by </b><i>, , <a class="ref" href="analmetr.html#D16">ANALMETR:def 16</a></i>;<br/>


</div>
