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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">r</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> ;<br/>



<b>thus </b> <a href="rvsum_1.html#K12" target="_self">sqr</a> <span class="p1">(<span class="default"><font color="Maroon">i</font> <a href="finseqop.html#K4">|-&gt;</a> <font color="Maroon">r</font></span>)</span> = 
<font color="Maroon">i</font> <a href="finseqop.html#K4">|-&gt;</a> <span class="p1">(<span class="default"><a href="rvsum_1.html#K1" target="_self">sqrreal</a>  <a href="seq_1.html#K2">.</a> <font color="Maroon">r</font></span>)</span>
<b>by </b><i><a class="ref" href="finseqop.html#T17">FINSEQOP:17</a></i>
<br/>.= 
<font color="Maroon">i</font> <a href="finseqop.html#K4">|-&gt;</a> <span class="p1">(<span class="default"><font color="Maroon">r</font> <a href="square_1.html#K5">^2</a> </span>)</span>
<b>by </b><i/>
;<br/>


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