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

<b>consider </b><font color="Maroon">b</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">SAS</font><b> such that </b><br/><a NAME="E2:77_1_1"/><i><font color="Green">E29</font></i>: 
 <a href="semi_af1.html#R3" target="_self">congr</a> <font color="Maroon">a</font>,<font color="Maroon">o</font>,<font color="Maroon">o</font>,<font color="Maroon">b</font>
 <b>by </b><i><a class="ref" href="semi_af1.html#T26" target="_self">Th26</a></i>;<br/>
<a NAME="E3:77_1_1"/><i><font color="Green">E30</font></i>: 
 <a href="semi_af1.html#R3" target="_self">congr</a> <font color="Maroon">o</font>,<font color="Maroon">a</font>,<font color="Maroon">b</font>,<font color="Maroon">o</font>
 
<b>by </b><i><a class="ref" href="semi_af1.html#T41" target="_self">Th41</a>, <a class="ref" href="semi_af1.html#T31" target="_self">Th31</a></i>;<br/>
<b>take </b>
<font color="Maroon">b</font>
;<br/>

<b>thus </b><a NAME="E4:77_1_1"/>
 <a href="semi_af1.html#K1" target="_self">sum</a> <font color="Maroon">a</font>,<font color="Maroon">b</font>,<font color="Maroon">o</font> <a href="hidden.html#R1">=</a> <font color="Maroon">o</font>
 <b>by </b><i><a class="ref" href="semi_af1.html#T42" target="_self">Th42</a>, <a class="ref" href="semi_af1.html#T40" target="_self">Th40</a></i>;<br/>


</div>
