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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="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">R2</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> <a href="rvsum_1.html#K15" target="_self">Sum</a> <span class="p1">(<span class="default"><font color="Maroon">R1</font> <a href="rvsum_1.html#K4" target="_self">+</a> <font color="Maroon">R2</font></span>)</span> = 
<a href="binop_2.html#K33">addreal</a>  <a href="binop_1.html#K2">.</a> <span class="p1">(<span class="default"><a href="binop_2.html#K33">addreal</a>  <a href="finsop_1.html#K2">$$</a> <font color="Maroon">R1</font></span>)</span>,<span class="p1">(<span class="default"><a href="binop_2.html#K33">addreal</a>  <a href="finsop_1.html#K2">$$</a> <font color="Maroon">R2</font></span>)</span>
<b>by </b><i><a class="ref" href="setwop_2.html#T46">SETWOP_2:46</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="rvsum_1.html#K15" target="_self">Sum</a> <font color="Maroon">R1</font></span>)</span> <a href="binop_2.html#K9">+</a> <span class="p1">(<span class="default"><a href="rvsum_1.html#K15" target="_self">Sum</a> <font color="Maroon">R2</font></span>)</span>
<b>by </b><i><a class="ref" href="binop_2.html#D9">BINOP_2:def 9</a></i>
;<br/>


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