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<b>let </b><font color="Maroon">AFV</font> be   <a href="afvect0.html#NM1">WeakAffVect</a>;<br/><b>let </b><font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">AFV</font>;<br/><b>let </b><font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">AFV</font>;<br/><b>let </b><font color="Maroon">c</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">AFV</font>;<br/>







<b>assume </b><a NAME="E1:18"/><i><font color="Green">E22</font></i>: 
(  <a href="afvect0.html#R1" target="_self">MDist</a> <font color="Maroon">a</font>,<font color="Maroon">b</font> &amp;  <a href="afvect0.html#R1" target="_self">MDist</a> <font color="Maroon">a</font>,<font color="Maroon">c</font> )
 ;<br/>

<b>consider </b><font color="Maroon">d</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">AFV</font><b> such that </b><br/><a NAME="E3:18"/><i><font color="Green">E36</font></i>: 
<font color="Maroon">c</font>,<font color="Maroon">a</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b</font>,<font color="Maroon">d</font>
 <b>by </b><i/>;<br/>
<a NAME="E4:18"/><i><font color="Green">E38</font></i>: 
<font color="Maroon">b</font>,<font color="Maroon">d</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">c</font>,<font color="Maroon">a</font>
 
<b>by </b><i>, </i>;<br/>
<a NAME="E5:18"/><i><font color="Green">E40</font></i>: 
( <font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b</font>,<font color="Maroon">a</font> &amp; <font color="Maroon">a</font>,<font color="Maroon">c</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">c</font>,<font color="Maroon">a</font> )
 
<b>by </b><i><a class="ref" href="afvect0.html#D1" target="_self">Def1</a>, </i>;<br/>
<a NAME="E6:18"/><b>then </b><i><font color="Green">E41</font></i>: 
<font color="Maroon">a</font>,<font color="Maroon">c</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b</font>,<font color="Maroon">d</font>
 
<b>by </b><i>, </i>;<br/>
<a NAME="E7:18"/><i><font color="Green">E42</font></i>: 
<font color="Maroon">c</font>,<font color="Maroon">b</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">a</font>,<font color="Maroon">d</font>
 
<b>by </b><i>, </i>;<br/>
<a NAME="E8:18"/>
<font color="Maroon">b</font>,<font color="Maroon">c</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">a</font>,<font color="Maroon">d</font>
 
<b>by </b><i>, , </i>;<br/>
<a NAME="E9:18"/><b>then </b>
<font color="Maroon">b</font>,<font color="Maroon">c</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">c</font>,<font color="Maroon">b</font>
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E10:18"/>
( <font color="Maroon">b</font> <a href="hidden.html#R1">=</a> <font color="Maroon">c</font> or  <a href="afvect0.html#R1" target="_self">MDist</a> <font color="Maroon">b</font>,<font color="Maroon">c</font> )
 <b>by </b><i/>;<br/>


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