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<b>let </b><font color="Maroon" title="c3">v1</font>, <font color="Maroon" title="c4">v2</font> be   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font>;<br/>

<b>assume </b><b>that </b><br/><a NAME="E1:18_1_1"/><i><font color="Green" title="E10">A2</font></i>: 
<font color="Maroon" title="c2">v</font> <a href="rlvect_1.html#K1" title="RLVECT_1:func.1">+</a> <font color="Maroon" title="c3">v1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="struct_0.html#K4" title="STRUCT_0:func.4">0.</a> <font color="Maroon" title="c1">V</font>
 <b>and </b><br/><a NAME="E2:18_1_1"/><i><font color="Green" title="E11">A3</font></i>: 
<font color="Maroon" title="c2">v</font> <a href="rlvect_1.html#K1" title="RLVECT_1:func.1">+</a> <font color="Maroon" title="c4">v2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="struct_0.html#K4" title="STRUCT_0:func.4">0.</a> <font color="Maroon" title="c1">V</font>
 ;<br/>

<b>thus </b><font color="Maroon" title="c3">v1</font> = 
<font color="Maroon" title="c3">v1</font> <a href="rlvect_1.html#K1" title="RLVECT_1:func.1">+</a> <span class="p1">(<span class="default"><font color="Maroon" title="c2">v</font> <a href="rlvect_1.html#K1" title="RLVECT_1:func.1">+</a> <font color="Maroon" title="c4">v2</font></span>)</span>
<b>by </b><i><a class="txt" href="rlvect_1.html#E1:18"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="rlvect_1.html#E2:18_1_1"><i><font color="Green" title="E11">A3</font></i></a>, <a class="ref" href="rlvect_1.html#T10" target="_self" title="RLVECT_1:th.10">Th10</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon" title="c3">v1</font> <a href="rlvect_1.html#K1" title="RLVECT_1:func.1">+</a> <font color="Maroon" title="c2">v</font></span>)</span> <a href="rlvect_1.html#K1" title="RLVECT_1:func.1">+</a> <font color="Maroon" title="c4">v2</font>
<b>by </b><i><a class="txt" href="rlvect_1.html#E1:18"><i><font color="Green" title="E9">A1</font></i></a>, <a class="ref" href="rlvect_1.html#D6" target="_self" title="RLVECT_1:def.6">Def6</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="struct_0.html#K4" title="STRUCT_0:func.4">0.</a> <font color="Maroon" title="c1">V</font></span>)</span> <a href="rlvect_1.html#K1" title="RLVECT_1:func.1">+</a> <font color="Maroon" title="c4">v2</font>
<b>by </b><i><a class="txt" href="rlvect_1.html#E1:18"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="rlvect_1.html#E1:18_1_1"><i><font color="Green" title="E10">A2</font></i></a>, <a class="txt" href="rlvect_1.html#E18"><i><font color="Green" title="E7">Lm2</font></i></a></i>
<br/>.= 
<font color="Maroon" title="c4">v2</font>
<b>by </b><i><a class="txt" href="rlvect_1.html#E1:18"><i><font color="Green" title="E9">A1</font></i></a>, <a class="ref" href="rlvect_1.html#T10" target="_self" title="RLVECT_1:th.10">Th10</a></i>
;<br/>


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