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

<b>let </b><font color="Maroon">M1</font> be  <a href="vectsp_2.html#V3">strict</a>  <a href="vectsp_2.html#L1">RightModStr</a> of  <a href="mod_4.html#K2" target="_self">opp</a> <font color="Maroon">K</font>, <font color="Maroon">M2</font> be  <a href="vectsp_2.html#V3">strict</a>  <a href="vectsp_2.html#L1">RightModStr</a> of  <a href="mod_4.html#K2" target="_self">opp</a> <font color="Maroon">K</font>;<br/>

<b>assume </b><b>that </b><br/><a NAME="E1:21_1_2"/><i><font color="Green">E26</font></i>: 
for <font color="Olive">o</font> being  <a href="funct_2.html#NM1">Function</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default">the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>,the <a href="struct_0.html#U1">carrier</a> of <span class="p2">(<span class="default"><a href="mod_4.html#K2" target="_self">opp</a> <font color="Maroon">K</font></span>)</span></span><a href="zfmisc_1.html#K2">:]</a></span>,the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>  st <font color="Olive">o</font> <a href="funct_2.html#R1">=</a>  <a href="mod_4.html#K1" target="_self">~</a> the <a href="vectsp_1.html#U2">lmult</a> of <font color="Maroon">V</font> holds <br/><font color="Maroon">M1</font> <a href="hidden.html#R1">=</a>  <a href="vectsp_2.html#G1">RightModStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>,the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">V</font>,the <a href="struct_0.html#U2">Zero</a> of <font color="Maroon">V</font>,<font color="Olive">o</font> #)
 <b>and </b><br/><a NAME="E2:21_1_2"/><i><font color="Green">E41</font></i>: 
for <font color="Olive">o</font> being  <a href="funct_2.html#NM1">Function</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default">the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>,the <a href="struct_0.html#U1">carrier</a> of <span class="p2">(<span class="default"><a href="mod_4.html#K2" target="_self">opp</a> <font color="Maroon">K</font></span>)</span></span><a href="zfmisc_1.html#K2">:]</a></span>,the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>  st <font color="Olive">o</font> <a href="funct_2.html#R1">=</a>  <a href="mod_4.html#K1" target="_self">~</a> the <a href="vectsp_1.html#U2">lmult</a> of <font color="Maroon">V</font> holds <br/><font color="Maroon">M2</font> <a href="hidden.html#R1">=</a>  <a href="vectsp_2.html#G1">RightModStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>,the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">V</font>,the <a href="struct_0.html#U2">Zero</a> of <font color="Maroon">V</font>,<font color="Olive">o</font> #)
 ;<br/>

<b>reconsider </b><font color="Maroon">o</font> =  <a href="mod_4.html#K1" target="_self">~</a> the <a href="vectsp_1.html#U2">lmult</a> of <font color="Maroon">V</font> as   <a href="funct_2.html#NM1">Function</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default">the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>,the <a href="struct_0.html#U1">carrier</a> of <span class="p2">(<span class="default"><a href="mod_4.html#K2" target="_self">opp</a> <font color="Maroon">K</font></span>)</span></span><a href="zfmisc_1.html#K2">:]</a></span>,the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font> ;<br/>
<b>thus </b><font color="Maroon">M1</font> = 
 <a href="vectsp_2.html#G1">RightModStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>,the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">V</font>,the <a href="struct_0.html#U2">Zero</a> of <font color="Maroon">V</font>,<font color="Maroon">o</font> #)
<b>by </b><i/>
<br/>.= 
<font color="Maroon">M2</font>
<b>by </b><i/>
;<br/>


</div>
