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<b>let </b><font color="Maroon">it1</font> be   <a href="polynom1.html#NM3">Series</a> of <font color="Maroon">n</font>,<font color="Maroon">L</font>, <font color="Maroon">it2</font> be   <a href="polynom1.html#NM3">Series</a> of <font color="Maroon">n</font>,<font color="Maroon">L</font>;<br/>

<b>assume </b><b>that </b><br/><a NAME="E1:164_1_2"/><i><font color="Green">E42</font></i>: 
for <font color="Olive">x</font> being  <a href="polynom1.html#NM1">bag</a> of <font color="Maroon">n</font> holds  <font color="Maroon">it1</font> <a href="polynom1.html#K15" target="_self">.</a> <font color="Olive">x</font> <a href="hidden.html#R1">=</a>  <a href="rlvect_1.html#K5">-</a> <span class="p1">(<span class="default"><font color="Maroon">p</font> <a href="polynom1.html#K15" target="_self">.</a> <font color="Olive">x</font></span>)</span>
 <b>and </b><br/><a NAME="E2:164_1_2"/><i><font color="Green">E43</font></i>: 
for <font color="Olive">x</font> being  <a href="polynom1.html#NM1">bag</a> of <font color="Maroon">n</font> holds  <font color="Maroon">it2</font> <a href="polynom1.html#K15" target="_self">.</a> <font color="Olive">x</font> <a href="hidden.html#R1">=</a>  <a href="rlvect_1.html#K5">-</a> <span class="p1">(<span class="default"><font color="Maroon">p</font> <a href="polynom1.html#K15" target="_self">.</a> <font color="Olive">x</font></span>)</span>
 ;<br/>

<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="164_1_2_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon">b</font> be    <a href="polynom1.html#M1" target="_self">Element</a> of  <a href="polynom1.html#K14" target="_self">Bags</a> <font color="Maroon">n</font>;<br/><b>thus </b><font color="Maroon">it1</font> <a href="polynom1.html#K15" target="_self">.</a> <font color="Maroon">b</font> = 
 <a href="rlvect_1.html#K5">-</a> <span class="p1">(<span class="default"><font color="Maroon">p</font> <a href="polynom1.html#K15" target="_self">.</a> <font color="Maroon">b</font></span>)</span>
<b>by </b><i><a class="ref" href="polynom1.html#T20" target="_self">Th20</a></i>
<br/>.= 
<font color="Maroon">it2</font> <a href="polynom1.html#K15" target="_self">.</a> <font color="Maroon">b</font>
<b>by </b><i><a class="ref" href="polynom1.html#T21" target="_self">Th21</a></i>
;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E4:164_1_2"/>
<font color="Maroon">it1</font> <a href="funct_2.html#R2">=</a> <font color="Maroon">it2</font>
 <b>by </b><i><a class="ref" href="funct_2.html#T113">FUNCT_2:113</a></i>;<br/>


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