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<b>let </b><font color="Maroon" title="c1">X</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>let </b><font color="Maroon" title="c2">f1</font>, <font color="Maroon" title="c3">f2</font> be  <a href="seq_1.html#V1" title="SEQ_1:attr.1">real-yielding</a> <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a>;<br/>





<b>thus </b><span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K4" title="SEQ_1:func.4">-</a> <font color="Maroon" title="c3">f2</font></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font> = 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K3" title="SEQ_1:func.3">+</a> <span class="p2">(<span class="default"><a href="seq_1.html#K15" title="SEQ_1:func.15">-</a> <font color="Maroon" title="c3">f2</font></span>)</span></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font>
<b>by </b><i><a class="ref" href="rfunct_1.html#T40" target="_self" title="RFUNCT_1:th.40">Th40</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span> <a href="seq_1.html#K3" title="SEQ_1:func.3">+</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="seq_1.html#K15" title="SEQ_1:func.15">-</a> <font color="Maroon" title="c3">f2</font></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span>
<b>by </b><i><a class="ref" href="rfunct_1.html#T60" target="_self" title="RFUNCT_1:th.60">Th60</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span> <a href="seq_1.html#K3" title="SEQ_1:func.3">+</a> <span class="p1">(<span class="default"><a href="seq_1.html#K15" title="SEQ_1:func.15">-</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">f2</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="rfunct_1.html#T62" target="_self" title="RFUNCT_1:th.62">Th62</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span> <a href="seq_1.html#K4" title="SEQ_1:func.4">-</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">f2</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span>
<b>by </b><i><a class="ref" href="rfunct_1.html#T40" target="_self" title="RFUNCT_1:th.40">Th40</a></i>
;<br/>

<b>thus </b><span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K4" title="SEQ_1:func.4">-</a> <font color="Maroon" title="c3">f2</font></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font> = 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K3" title="SEQ_1:func.3">+</a> <span class="p2">(<span class="default"><a href="seq_1.html#K15" title="SEQ_1:func.15">-</a> <font color="Maroon" title="c3">f2</font></span>)</span></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font>
<b>by </b><i><a class="ref" href="rfunct_1.html#T40" target="_self" title="RFUNCT_1:th.40">Th40</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span> <a href="seq_1.html#K3" title="SEQ_1:func.3">+</a> <span class="p1">(<span class="default"><a href="seq_1.html#K15" title="SEQ_1:func.15">-</a> <font color="Maroon" title="c3">f2</font></span>)</span>
<b>by </b><i><a class="ref" href="rfunct_1.html#T60" target="_self" title="RFUNCT_1:th.60">Th60</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span> <a href="seq_1.html#K4" title="SEQ_1:func.4">-</a> <font color="Maroon" title="c3">f2</font>
<b>by </b><i><a class="ref" href="rfunct_1.html#T40" target="_self" title="RFUNCT_1:th.40">Th40</a></i>
;<br/>

<b>thus </b><span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K4" title="SEQ_1:func.4">-</a> <font color="Maroon" title="c3">f2</font></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font> = 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K3" title="SEQ_1:func.3">+</a> <span class="p2">(<span class="default"><a href="seq_1.html#K15" title="SEQ_1:func.15">-</a> <font color="Maroon" title="c3">f2</font></span>)</span></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font>
<b>by </b><i><a class="ref" href="rfunct_1.html#T40" target="_self" title="RFUNCT_1:th.40">Th40</a></i>
<br/>.= 
<font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K3" title="SEQ_1:func.3">+</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="seq_1.html#K15" title="SEQ_1:func.15">-</a> <font color="Maroon" title="c3">f2</font></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span>
<b>by </b><i><a class="ref" href="rfunct_1.html#T60" target="_self" title="RFUNCT_1:th.60">Th60</a></i>
<br/>.= 
<font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K3" title="SEQ_1:func.3">+</a> <span class="p1">(<span class="default"><a href="seq_1.html#K15" title="SEQ_1:func.15">-</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">f2</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="rfunct_1.html#T62" target="_self" title="RFUNCT_1:th.62">Th62</a></i>
<br/>.= 
<font color="Maroon" title="c2">f1</font> <a href="seq_1.html#K4" title="SEQ_1:func.4">-</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">f2</font> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c1">X</font></span>)</span>
<b>by </b><i><a class="ref" href="rfunct_1.html#T40" target="_self" title="RFUNCT_1:th.40">Th40</a></i>
;<br/>


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