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<b>let </b><font color="Maroon">D</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">f</font> be    <a href="finseq_1.html#M2">FinSequence</a> of  <a href="rfunct_3.html#K4" target="_self">PFuncs</a> <font color="Maroon">D</font>,<a href="numbers.html#K1">REAL</a> ;<br/><b>let </b><font color="Maroon">G</font> be    <a href="rfunct_3.html#M2" target="_self">Element</a> of  <a href="rfunct_3.html#K4" target="_self">PFuncs</a> <font color="Maroon">D</font>,<a href="numbers.html#K1">REAL</a> ;<br/>





<b>thus </b> <a href="rfunct_3.html#K15" target="_self">Sum</a> <span class="p1">(<span class="default"><span class="p2"><a href="finseq_1.html#K12">&lt;*</a><span class="default"><font color="Maroon">G</font></span><a href="finseq_1.html#K12">*&gt;</a></span> <a href="finseq_1.html#K8">^</a> <font color="Maroon">f</font></span>)</span> = 
<span class="p1">(<span class="default"><a href="rfunct_3.html#K15" target="_self">Sum</a> <span class="p2"><a href="finseq_1.html#K12">&lt;*</a><span class="default"><font color="Maroon">G</font></span><a href="finseq_1.html#K12">*&gt;</a></span></span>)</span> <a href="rfunct_3.html#K6" target="_self">+</a> <span class="p1">(<span class="default"><a href="rfunct_3.html#K15" target="_self">Sum</a> <font color="Maroon">f</font></span>)</span>
<b>by </b><i/>
<br/>.= 
<font color="Maroon">G</font> <a href="rfunct_3.html#K6" target="_self">+</a> <span class="p1">(<span class="default"><a href="rfunct_3.html#K15" target="_self">Sum</a> <font color="Maroon">f</font></span>)</span>
<b>by </b><i/>
;<br/>


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