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<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>thus </b><span class="p1"><a href="finseq_1.html#K12">&lt;*</a><span class="default"><font color="Maroon">r1</font></span><a href="finseq_1.html#K12">*&gt;</a></span> <a href="rvsum_1.html#K7" target="_self">-</a> <span class="p1"><a href="finseq_1.html#K12">&lt;*</a><span class="default"><font color="Maroon">r2</font></span><a href="finseq_1.html#K12">*&gt;</a></span> = 
<span class="p1"><a href="finseq_1.html#K12">&lt;*</a><span class="default"><span class="p2">(<span class="default"><a href="binop_2.html#K34">diffreal</a>  <a href="binop_1.html#K2">.</a> <font color="Maroon">r1</font>,<font color="Maroon">r2</font></span>)</span></span><a href="finseq_1.html#K12">*&gt;</a></span>
<b>by </b><i><a class="ref" href="finseq_2.html#T88">FINSEQ_2:88</a></i>
<br/>.= 
<span class="p1"><a href="finseq_1.html#K12">&lt;*</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">r1</font> <a href="binop_2.html#K10">-</a> <font color="Maroon">r2</font></span>)</span></span><a href="finseq_1.html#K12">*&gt;</a></span>
<b>by </b><i/>
;<br/>


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