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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">r1</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> ;<br/><b>let </b><font color="Maroon">r2</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> ;<br/><b>let </b><font color="Maroon">R</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>thus </b><span class="p1">(<span class="default"><font color="Maroon">r1</font> <a href="binop_2.html#K11">*</a> <font color="Maroon">r2</font></span>)</span> <a href="rvsum_1.html#K10" target="_self">*</a> <font color="Maroon">R</font> = 
<span class="p1">(<span class="default"><a href="binop_2.html#K35">multreal</a>  <a href="funcop_1.html#K8">[;]</a> <span class="p2">(<span class="default"><a href="binop_2.html#K35">multreal</a>  <a href="binop_1.html#K2">.</a> <font color="Maroon">r1</font>,<font color="Maroon">r2</font></span>)</span>,<span class="p2">(<span class="default"><a href="partfun1.html#K6">id</a> <a href="numbers.html#K1">REAL</a> </span>)</span></span>)</span> <a href="finseqop.html#K5">*</a> <font color="Maroon">R</font>
<b>by </b><i><a class="ref" href="binop_2.html#D11">BINOP_2:def 11</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="binop_2.html#K35">multreal</a>  <a href="funcop_1.html#K8">[;]</a> <font color="Maroon">r1</font>,<span class="p2">(<span class="default"><a href="binop_2.html#K35">multreal</a>  <a href="funcop_1.html#K8">[;]</a> <font color="Maroon">r2</font>,<span class="p3">(<span class="default"><a href="partfun1.html#K6">id</a> <a href="numbers.html#K1">REAL</a> </span>)</span></span>)</span></span>)</span> <a href="finseqop.html#K5">*</a> <font color="Maroon">R</font>
<b>by </b><i><a class="ref" href="funcop_1.html#T77">FUNCOP_1:77</a></i>
<br/>.= 
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="binop_2.html#K35">multreal</a>  <a href="funcop_1.html#K8">[;]</a> <font color="Maroon">r1</font>,<span class="p3">(<span class="default"><a href="partfun1.html#K6">id</a> <a href="numbers.html#K1">REAL</a> </span>)</span></span>)</span> <a href="partfun1.html#K1">*</a> <span class="p2">(<span class="default"><a href="binop_2.html#K35">multreal</a>  <a href="funcop_1.html#K8">[;]</a> <font color="Maroon">r2</font>,<span class="p3">(<span class="default"><a href="partfun1.html#K6">id</a> <a href="numbers.html#K1">REAL</a> </span>)</span></span>)</span></span>)</span> <a href="finseqop.html#K5">*</a> <font color="Maroon">R</font>
<b>by </b><i><a class="ref" href="funcop_1.html#T69">FUNCOP_1:69</a></i>
<br/>.= 
<font color="Maroon">r1</font> <a href="rvsum_1.html#K10" target="_self">*</a> <span class="p1">(<span class="default"><font color="Maroon">r2</font> <a href="rvsum_1.html#K10" target="_self">*</a> <font color="Maroon">R</font></span>)</span>
<b>by </b><i><a class="ref" href="relat_1.html#T55">RELAT_1:55</a></i>
;<br/>


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