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<b>let </b><font color="Maroon">R</font> be   <a href="funcsdom.html#NM1">Ring</a>;<br/><b>let </b><font color="Maroon">X</font> be  <a href="vectsp_2.html#V3">strict</a> <a href="vectsp_2.html#NM7">RightMod</a> of <font color="Maroon">R</font>, <font color="Maroon">V</font> be  <a href="vectsp_2.html#V3">strict</a> <a href="vectsp_2.html#NM7">RightMod</a> of <font color="Maroon">R</font>;<br/>



<b>assume </b><a NAME="E1:27"/><i><font color="Green">E33</font></i>: 
( <font color="Maroon">V</font> is    <a href="rmod_2.html#M1" target="_self">Submodule</a> of <font color="Maroon">X</font> &amp; <font color="Maroon">X</font> is    <a href="rmod_2.html#M1" target="_self">Submodule</a> of <font color="Maroon">V</font> )
 ;<br/>

<b>set </b><font color="Maroon">VV</font> = the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font>;<br/>
<b>set </b><font color="Maroon">VX</font> = the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">X</font>;<br/>
<b>set </b><font color="Maroon">AV</font> = the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">V</font>;<br/>
<b>set </b><font color="Maroon">AX</font> = the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">X</font>;<br/>
<b>set </b><font color="Maroon">MV</font> = the <a href="vectsp_2.html#U1">rmult</a> of <font color="Maroon">V</font>;<br/>
<b>set </b><font color="Maroon">MX</font> = the <a href="vectsp_2.html#U1">rmult</a> of <font color="Maroon">X</font>;<br/>
<a NAME="E2:27"/>
( the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font> <a href="tarski.html#R1">c=</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">X</font> &amp; the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">X</font> <a href="tarski.html#R1">c=</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font> )
 
<b>by </b><i>, </i>;<br/>
<a NAME="E3:27"/><b>then </b><i><font color="Green">E34</font></i>: 
the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font> <a href="hidden.html#R1">=</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">X</font>
 
<b>by </b><i><a class="ref" href="xboole_0.html#D10">XBOOLE_0:def 10</a></i>;<br/>
<a NAME="E4:27"/><i><font color="Green">E36</font></i>: 
the <a href="struct_0.html#U2">Zero</a> of <font color="Maroon">V</font> <a href="hidden.html#R1">=</a> the <a href="struct_0.html#U2">Zero</a> of <font color="Maroon">X</font>
 
<b>by </b><i>, </i>;<br/>
<a NAME="E5:27"/>
( the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">V</font> <a href="hidden.html#R1">=</a> the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">X</font> <a href="realset1.html#K1">||</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">V</font> &amp; the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">X</font> <a href="hidden.html#R1">=</a> the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">V</font> <a href="realset1.html#K1">||</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">X</font> )
 
<b>by </b><i>, </i>;<br/>
<a NAME="E6:27"/><b>then </b><i><font color="Green">E38</font></i>: 
the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">V</font> <a href="funct_2.html#R1">=</a> the <a href="rlvect_1.html#U1">add</a> of <font color="Maroon">X</font>
 
<b>by </b><i>, <a class="ref" href="relat_1.html#T101">RELAT_1:101</a></i>;<br/>
<a NAME="E7:27"/>
( the <a href="vectsp_2.html#U1">rmult</a> of <font color="Maroon">V</font> <a href="hidden.html#R1">=</a> the <a href="vectsp_2.html#U1">rmult</a> of <font color="Maroon">X</font> <a href="relat_1.html#K7">|</a> <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 <font color="Maroon">R</font></span><a href="zfmisc_1.html#K2">:]</a></span> &amp; the <a href="vectsp_2.html#U1">rmult</a> of <font color="Maroon">X</font> <a href="hidden.html#R1">=</a> the <a href="vectsp_2.html#U1">rmult</a> of <font color="Maroon">V</font> <a href="relat_1.html#K7">|</a> <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">X</font>,the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">R</font></span><a href="zfmisc_1.html#K2">:]</a></span> )
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E8:27"/>
<font color="Maroon">V</font> <a href="hidden.html#R1">=</a> <font color="Maroon">X</font>
 <b>by </b><i>, , , <a class="ref" href="relat_1.html#T101">RELAT_1:101</a></i>;<br/>


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