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<b>let </b><font color="Maroon">i</font> be    <a href="subset_1.html#M2">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">e1</font> be    <a href="finseq_2.html#M2">Element</a> of <font color="Maroon">i</font> <a href="finseq_2.html#K4">-tuples_on</a> <a href="numbers.html#K1">REAL</a> , <font color="Maroon">e2</font> be    <a href="finseq_2.html#M2">Element</a> of <font color="Maroon">i</font> <a href="finseq_2.html#K4">-tuples_on</a> <a href="numbers.html#K1">REAL</a> ;<br/><b>let </b><font color="Maroon">f1</font> be    <a href="finseq_2.html#M2">Element</a> of <font color="Maroon">i</font> <a href="finseq_2.html#K4">-tuples_on</a> the <a href="struct_0.html#U1">carrier</a> of <a href="vectsp_1.html#K3">F_Real</a> , <font color="Maroon">f2</font> be    <a href="finseq_2.html#M2">Element</a> of <font color="Maroon">i</font> <a href="finseq_2.html#K4">-tuples_on</a> the <a href="struct_0.html#U1">carrier</a> of <a href="vectsp_1.html#K3">F_Real</a> ;<br/>





<b>assume </b><a NAME="E1:47"/><i><font color="Green">E43</font></i>: 
( <font color="Maroon">e1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">f1</font> &amp; <font color="Maroon">e2</font> <a href="hidden.html#R1">=</a> <font color="Maroon">f2</font> )
 ;<br/>

<a NAME="E2:47"/><i><font color="Green">E48</font></i>: 
 <a href="rvsum_1.html#K14">mlt</a> <font color="Maroon">e1</font>,<font color="Maroon">e2</font> <a href="hidden.html#R1">=</a>  <a href="fvsum_1.html#K12">mlt</a> <font color="Maroon">f1</font>,<font color="Maroon">f2</font>
 
<b>by </b><i>, </i>;<br/>
<b>thus </b><font color="Maroon">e1</font> <a href="matrprob.html#NK7" target="_self">"*"</a> <font color="Maroon">e2</font> = 
 <a href="rlvect_1.html#K9">Sum</a> <span class="p1">(<span class="default"><a href="fvsum_1.html#K12">mlt</a> <font color="Maroon">f1</font>,<font color="Maroon">f2</font></span>)</span>
<b>by </b><i>, </i>
<br/>.= 
<font color="Maroon">f1</font> <a href="fvsum_1.html#K13">"*"</a> <font color="Maroon">f2</font>
<b>by </b><i><a class="ref" href="fvsum_1.html#D10">FVSUM_1:def 10</a></i>
;<br/>


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