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<a NAME="E1:63_1_1"/>
for <font color="Olive" title="b1">a</font> being  <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <span class="p1">(<span class="default"><a href="afvect0.html#K5" title="AFVECT0:func.5">GroupVect</a> <font color="Maroon" title="c1">AFV</font>,<font color="Maroon" title="c2">o</font></span>)</span>  ex <font color="Olive" title="b2">b</font> being  <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <span class="p1">(<span class="default"><a href="afvect0.html#K5" title="AFVECT0:func.5">GroupVect</a> <font color="Maroon" title="c1">AFV</font>,<font color="Maroon" title="c2">o</font></span>)</span> st <font color="Olive" title="b2">b</font> <a href="rlvect_1.html#K4" title="RLVECT_1:func.4">+</a> <font color="Olive" title="b2">b</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">a</font>
 
<b>by </b><i><a class="ref" href="afvect0.html#T66" target="_self" title="AFVECT0:th.66">Th66</a></i>;<br/>
<b>hence </b><a NAME="E2:63_1_1"/>
 <a href="afvect0.html#K5" title="AFVECT0:func.5">GroupVect</a> <font color="Maroon" title="c1">AFV</font>,<font color="Maroon" title="c2">o</font> is <a href="tdgroup.html#V1" title="TDGROUP:attr.1">Two_Divisible</a>
 <b>by </b><i><a class="ref" href="tdgroup.html#D1" title="TDGROUP:def.1">TDGROUP:def 1</a></i>;<br/>


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