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<b>let </b><font color="Maroon" title="c1">AFV</font> be   <a href="afvect0.html#NM1" title="AFVECT0:NM.1">WeakAffVect</a>;<br/><b>let </b><font color="Maroon" title="c2">a</font>, <font color="Maroon" title="c3">b</font>, <font color="Maroon" title="c4">c</font> be   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">AFV</font>;<br/>







<b>assume </b><a NAME="E1:18"/><i><font color="Green" title="E10">A1</font></i>: 
(  <a href="afvect0.html#R1" title="AFVECT0:pred.1">MDist</a> <font color="Maroon" title="c2">a</font>,<font color="Maroon" title="c3">b</font> &amp;  <a href="afvect0.html#R1" title="AFVECT0:pred.1">MDist</a> <font color="Maroon" title="c2">a</font>,<font color="Maroon" title="c4">c</font> )
 ;<br/>

<b>consider </b><font color="Maroon" title="c5">d</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">AFV</font><b> such that </b><br/><a NAME="E3:18"/><i><font color="Green" title="E11">A2</font></i>: 
<font color="Maroon" title="c4">c</font>,<font color="Maroon" title="c2">a</font> <a href="analoaf.html#R2" title="ANALOAF:pred.2">//</a> <font color="Maroon" title="c3">b</font>,<font color="Maroon" title="c5">d</font>
 <b>by </b><i><a class="ref" href="afvect0.html#D1" target="_self" title="AFVECT0:def.1">Def1</a></i>;<br/>
<a NAME="E4:18"/><i><font color="Green" title="E12">A3</font></i>: 
<font color="Maroon" title="c3">b</font>,<font color="Maroon" title="c5">d</font> <a href="analoaf.html#R2" title="ANALOAF:pred.2">//</a> <font color="Maroon" title="c4">c</font>,<font color="Maroon" title="c2">a</font>
 
<b>by </b><i><a class="txt" href="afvect0.html#E3:18"><i><font color="Green" title="E11">A2</font></i></a>, <a class="ref" href="afvect0.html#T4" target="_self" title="AFVECT0:th.4">Th4</a></i>;<br/>
<a NAME="E5:18"/><i><font color="Green" title="E13">A4</font></i>: 
( <font color="Maroon" title="c2">a</font>,<font color="Maroon" title="c3">b</font> <a href="analoaf.html#R2" title="ANALOAF:pred.2">//</a> <font color="Maroon" title="c3">b</font>,<font color="Maroon" title="c2">a</font> &amp; <font color="Maroon" title="c2">a</font>,<font color="Maroon" title="c4">c</font> <a href="analoaf.html#R2" title="ANALOAF:pred.2">//</a> <font color="Maroon" title="c4">c</font>,<font color="Maroon" title="c2">a</font> )
 
<b>by </b><i><a class="txt" href="afvect0.html#E1:18"><i><font color="Green" title="E10">A1</font></i></a>, <a class="ref" href="afvect0.html#D2" target="_self" title="AFVECT0:def.2">Def2</a></i>;<br/>
<a NAME="E6:18"/><b>then </b><i><font color="Green" title="E14">A5</font></i>: 
<font color="Maroon" title="c2">a</font>,<font color="Maroon" title="c4">c</font> <a href="analoaf.html#R2" title="ANALOAF:pred.2">//</a> <font color="Maroon" title="c3">b</font>,<font color="Maroon" title="c5">d</font>
 
<b>by </b><i><a class="txt" href="afvect0.html#E4:18"><i><font color="Green" title="E12">A3</font></i></a>, <a class="ref" href="afvect0.html#D1" target="_self" title="AFVECT0:def.1">Def1</a></i>;<br/>
<a NAME="E7:18"/><i><font color="Green" title="E15">A6</font></i>: 
<font color="Maroon" title="c4">c</font>,<font color="Maroon" title="c3">b</font> <a href="analoaf.html#R2" title="ANALOAF:pred.2">//</a> <font color="Maroon" title="c2">a</font>,<font color="Maroon" title="c5">d</font>
 
<b>by </b><i><a class="txt" href="afvect0.html#E3:18"><i><font color="Green" title="E11">A2</font></i></a>, <a class="ref" href="afvect0.html#D1" target="_self" title="AFVECT0:def.1">Def1</a></i>;<br/>
<a NAME="E8:18"/>
<font color="Maroon" title="c3">b</font>,<font color="Maroon" title="c4">c</font> <a href="analoaf.html#R2" title="ANALOAF:pred.2">//</a> <font color="Maroon" title="c2">a</font>,<font color="Maroon" title="c5">d</font>
 
<b>by </b><i><a class="txt" href="afvect0.html#E5:18"><i><font color="Green" title="E13">A4</font></i></a>, <a class="txt" href="afvect0.html#E6:18"><i><font color="Green" title="E14">A5</font></i></a>, <a class="ref" href="afvect0.html#D1" target="_self" title="AFVECT0:def.1">Def1</a></i>;<br/>
<a NAME="E9:18"/><b>then </b>
<font color="Maroon" title="c3">b</font>,<font color="Maroon" title="c4">c</font> <a href="analoaf.html#R2" title="ANALOAF:pred.2">//</a> <font color="Maroon" title="c4">c</font>,<font color="Maroon" title="c3">b</font>
 
<b>by </b><i><a class="txt" href="afvect0.html#E7:18"><i><font color="Green" title="E15">A6</font></i></a>, <a class="ref" href="afvect0.html#D1" target="_self" title="AFVECT0:def.1">Def1</a></i>;<br/>
<b>hence </b><a NAME="E10:18"/>
( <font color="Maroon" title="c3">b</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">c</font> or  <a href="afvect0.html#R1" title="AFVECT0:pred.1">MDist</a> <font color="Maroon" title="c3">b</font>,<font color="Maroon" title="c4">c</font> )
 <b>by </b><i><a class="ref" href="afvect0.html#D2" target="_self" title="AFVECT0:def.2">Def2</a></i>;<br/>


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