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

<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="afvect0.html#NM1">WeakAffVect</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>





<a NAME="E1:35"/>
 <a href="afvect0.html#R2" target="_self">Mid</a> <font color="Maroon">c<sub>3</sub></font>,<font color="Maroon">c<sub>2</sub></font>, <a href="afvect0.html#K1" target="_self">PSym</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font>
 
<b>by </b><i><a class="ref" href="afvect0.html#D4" target="_self">Def4</a></i>;<br/>
<a NAME="E2:35"/><b>then </b>
 <a href="afvect0.html#R2" target="_self">Mid</a>  <a href="afvect0.html#K1" target="_self">PSym</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font>
 
<b>by </b><i><a class="ref" href="afvect0.html#T21" target="_self">Th21</a></i>;<br/>
<b>hence </b><a NAME="E3:35"/>
 <a href="afvect0.html#K1" target="_self">PSym</a> <font color="Maroon">c<sub>2</sub></font>,<span class="p1">(<span class="default"><a href="afvect0.html#K1" target="_self">PSym</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span>)</span> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>3</sub></font>
 <b>by </b><i><a class="ref" href="afvect0.html#D4" target="_self">Def4</a></i>;<br/>


</div>
