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<b>let </b><font color="Maroon">r</font> be   <a href="real_1.html#NM1">Real</a>;<br/><b>let </b><font color="Maroon">L</font> be   <a href="fdiff_1.html#NM2">LINEAR</a>;<br/>



<b>consider </b><font color="Maroon">g</font> being   <a href="real_1.html#NM1">Real</a><b> such that </b><br/><a NAME="E2:13"/><i><font color="Green">E44</font></i>: 
for <font color="Olive">p</font> being  <a href="real_1.html#NM1">Real</a> holds  <font color="Maroon">L</font> <a href="seq_1.html#K2">.</a> <font color="Olive">p</font> <a href="hidden.html#R1">=</a> <font color="Maroon">g</font> <a href="real_1.html#K4">*</a> <font color="Olive">p</font>
 <b>by </b><i/>;<br/>
<a NAME="E3:13"/><i><font color="Green">E55</font></i>: 
<font color="Maroon">L</font> is <a href="partfun1.html#V1">total</a>
 
<b>by </b><i/>;<br/>
<a NAME="E4:13"/><b>then </b><i><font color="Green">E56</font></i>: 
<font color="Maroon">r</font> <a href="seq_1.html#K13">(#)</a> <font color="Maroon">L</font> is <a href="partfun1.html#V1">total</a>
 
<b>by </b><i><a class="ref" href="rfunct_1.html#T67">RFUNCT_1:67</a></i>;<br/>
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="13_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon">p</font> be   <a href="real_1.html#NM1">Real</a>;<br/><b>thus </b><span class="p1">(<span class="default"><font color="Maroon">r</font> <a href="seq_1.html#K13">(#)</a> <font color="Maroon">L</font></span>)</span> <a href="seq_1.html#K2">.</a> <font color="Maroon">p</font> = 
<font color="Maroon">r</font> <a href="real_1.html#K4">*</a> <span class="p1">(<span class="default"><font color="Maroon">L</font> <a href="seq_1.html#K2">.</a> <font color="Maroon">p</font></span>)</span>
<b>by </b><i>, <a class="ref" href="rfunct_1.html#T73">RFUNCT_1:73</a></i>
<br/>.= 
<font color="Maroon">r</font> <a href="real_1.html#K4">*</a> <span class="p1">(<span class="default"><font color="Maroon">g</font> <a href="real_1.html#K4">*</a> <font color="Maroon">p</font></span>)</span>
<b>by </b><i/>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon">r</font> <a href="real_1.html#K4">*</a> <font color="Maroon">g</font></span>)</span> <a href="real_1.html#K4">*</a> <font color="Maroon">p</font>

;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E6:13"/>
<font color="Maroon">r</font> <a href="seq_1.html#K13">(#)</a> <font color="Maroon">L</font> is   <a href="fdiff_1.html#NM2">LINEAR</a>
 <b>by </b><i>, </i>;<br/>


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