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<b>let </b><font color="Maroon">x</font> be  <a href="xcmplx_0.html#V1" target="_self">complex</a>  <a href="ordinal1.html#NM1" target="_self">number</a> , <font color="Maroon">y</font> be  <a href="xcmplx_0.html#V1" target="_self">complex</a>  <a href="ordinal1.html#NM1" target="_self">number</a> , <font color="Maroon">z</font> be  <a href="xcmplx_0.html#V1" target="_self">complex</a>  <a href="ordinal1.html#NM1" target="_self">number</a> ;<br/>

<b>consider </b><font color="Maroon">x1</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">x2</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">y1</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">y2</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> <b> such that </b><br/><a NAME="E2:12"/><i><font color="Green">E20</font></i>: 
<font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><font color="Maroon">x1</font>,<font color="Maroon">x2</font></span><a href="arytm_0.html#K5">*]</a></span>
 <b>and </b><br/><a NAME="E3:12"/><i><font color="Green">E28</font></i>: 
<font color="Maroon">y</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><font color="Maroon">y1</font>,<font color="Maroon">y2</font></span><a href="arytm_0.html#K5">*]</a></span>
 <b>and </b><br/><a NAME="E4:12"/><i><font color="Green">E32</font></i>: 
<font color="Maroon">x</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">y</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span></span>)</span></span><a href="arytm_0.html#K5">*]</a></span>
 <b>by </b><i/>;<br/>
<b>consider </b><font color="Maroon">y3</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">y4</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">z1</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">z2</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> <b> such that </b><br/><a NAME="E6:12"/><i><font color="Green">E33</font></i>: 
<font color="Maroon">y</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><font color="Maroon">y3</font>,<font color="Maroon">y4</font></span><a href="arytm_0.html#K5">*]</a></span>
 <b>and </b><br/><a NAME="E7:12"/><i><font color="Green">E34</font></i>: 
<font color="Maroon">z</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><font color="Maroon">z1</font>,<font color="Maroon">z2</font></span><a href="arytm_0.html#K5">*]</a></span>
 <b>and </b><br/><a NAME="E8:12"/><i><font color="Green">E39</font></i>: 
<font color="Maroon">y</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">z</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z2</font></span>)</span></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z2</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span></span><a href="arytm_0.html#K5">*]</a></span>
 <b>by </b><i/>;<br/>
<a NAME="E9:12"/><i><font color="Green">E40</font></i>: 
( <font color="Maroon">y1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">y3</font> &amp; <font color="Maroon">y2</font> <a href="hidden.html#R1">=</a> <font color="Maroon">y4</font> )
 
<b>by </b><i>, , <a class="ref" href="arytm_0.html#T12">ARYTM_0:12</a></i>;<br/>
<b>consider </b><font color="Maroon">x3</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">x4</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">yz1</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">yz2</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> <b> such that </b><br/><a NAME="E11:12"/><i><font color="Green">E41</font></i>: 
<font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><font color="Maroon">x3</font>,<font color="Maroon">x4</font></span><a href="arytm_0.html#K5">*]</a></span>
 <b>and </b><br/><a NAME="E12:12"/><i><font color="Green">E43</font></i>: 
<font color="Maroon">y</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">z</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><font color="Maroon">yz1</font>,<font color="Maroon">yz2</font></span><a href="arytm_0.html#K5">*]</a></span>
 <b>and </b><br/><a NAME="E13:12"/><i><font color="Green">E44</font></i>: 
<font color="Maroon">x</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <span class="p1">(<span class="default"><font color="Maroon">y</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">z</font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<font color="Maroon">yz1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<font color="Maroon">yz2</font></span>)</span></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<font color="Maroon">yz2</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<font color="Maroon">yz1</font></span>)</span></span>)</span></span><a href="arytm_0.html#K5">*]</a></span>
 <b>by </b><i/>;<br/>
<a NAME="E14:12"/><i><font color="Green">E45</font></i>: 
( <font color="Maroon">x1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">x3</font> &amp; <font color="Maroon">x2</font> <a href="hidden.html#R1">=</a> <font color="Maroon">x4</font> )
 
<b>by </b><i>, , <a class="ref" href="arytm_0.html#T12">ARYTM_0:12</a></i>;<br/>
<b>consider </b><font color="Maroon">xy1</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">xy2</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">z3</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> , <font color="Maroon">z4</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a> <b> such that </b><br/><a NAME="E16:12"/><i><font color="Green">E46</font></i>: 
<font color="Maroon">x</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">y</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><font color="Maroon">xy1</font>,<font color="Maroon">xy2</font></span><a href="arytm_0.html#K5">*]</a></span>
 <b>and </b><br/><a NAME="E17:12"/><i><font color="Green">E47</font></i>: 
<font color="Maroon">z</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><font color="Maroon">z3</font>,<font color="Maroon">z4</font></span><a href="arytm_0.html#K5">*]</a></span>
 <b>and </b><br/><a NAME="E18:12"/><i><font color="Green">E48</font></i>: 
<span class="p1">(<span class="default"><font color="Maroon">x</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">y</font></span>)</span> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">z</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy1</font>,<font color="Maroon">z3</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy2</font>,<font color="Maroon">z4</font></span>)</span></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy1</font>,<font color="Maroon">z4</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy2</font>,<font color="Maroon">z3</font></span>)</span></span>)</span></span><a href="arytm_0.html#K5">*]</a></span>
 <b>by </b><i/>;<br/>
<a NAME="E19:12"/><i><font color="Green">E55</font></i>: 
( <font color="Maroon">z1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">z3</font> &amp; <font color="Maroon">z2</font> <a href="hidden.html#R1">=</a> <font color="Maroon">z4</font> )
 
<b>by </b><i>, , <a class="ref" href="arytm_0.html#T12">ARYTM_0:12</a></i>;<br/>
<a NAME="E20:12"/><i><font color="Green">E57</font></i>: 
( <font color="Maroon">xy1</font> <a href="hidden.html#R1">=</a>  <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span></span>)</span> &amp; <font color="Maroon">xy2</font> <a href="hidden.html#R1">=</a>  <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span> )
 
<b>by </b><i>, <a class="txt" href="xcmplx_0.html#E2:12"><i><font color="Green">E20</font></i></a>, <a class="ref" href="arytm_0.html#T12">ARYTM_0:12</a></i>;<br/>
<a NAME="E21:12"/><i><font color="Green">E58</font></i>: 
( <font color="Maroon">yz1</font> <a href="hidden.html#R1">=</a>  <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z2</font></span>)</span></span>)</span> &amp; <font color="Maroon">yz2</font> <a href="hidden.html#R1">=</a>  <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z2</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span> )
 
<b>by </b><i>, <a class="ref" href="xcmplx_0.html#D2" target="_self">Def2</a>, <a class="ref" href="arytm_0.html#T12">ARYTM_0:12</a></i>;<br/>
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z2</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span> = 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>
<b>by </b><i>, , , <a class="ref" href="arytm_0.html#T15">ARYTM_0:15</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>
<b>by </b><i>, , , <a class="ref" href="arytm_0.html#T15">ARYTM_0:15</a></i>
;<br/>
<b>then </b><i><font color="Green">E59</font></i>:  <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">y4</font></span>)</span>,<font color="Maroon">z2</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z2</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span></span>)</span> = 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i>, , , <a class="ref" href="arytm_0.html#T15">ARYTM_0:15</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x1</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x1</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T25">ARYTM_0:25</a></i>
;<br/>
<i><font color="Green">E60</font></i>:  <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<font color="Maroon">yz1</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<font color="Maroon">yz2</font></span>)</span></span>)</span> = 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<font color="Maroon">yz1</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<font color="Maroon">yz2</font></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">y4</font></span>)</span>,<font color="Maroon">z2</font></span>)</span></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<font color="Maroon">yz2</font></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">y4</font></span>)</span>,<font color="Maroon">z2</font></span>)</span></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z2</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T16">ARYTM_0:16</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">y4</font></span>)</span>,<font color="Maroon">z2</font></span>)</span></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z2</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x4</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T16">ARYTM_0:16</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p5">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x1</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p5">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T25">ARYTM_0:25</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x1</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T25">ARYTM_0:25</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x1</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i>, , , <a class="ref" href="arytm_0.html#T15">ARYTM_0:15</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x1</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T16">ARYTM_0:16</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x1</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x1</font></span>)</span>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T27">ARYTM_0:27</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span>,<span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T16">ARYTM_0:16</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">x2</font></span>)</span>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">xy2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy1</font>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <font color="Maroon">xy2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy1</font>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy2</font>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
;<br/>
<i><font color="Green">E61</font></i>:  <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z3</font></span>)</span> = 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>
<b>by </b><i>, , , <a class="ref" href="arytm_0.html#T15">ARYTM_0:15</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z2</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i>, , , <a class="ref" href="arytm_0.html#T15">ARYTM_0:15</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z2</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T17">ARYTM_0:17</a></i>
;<br/>
<i><font color="Green">E62</font></i>:  <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy2</font>,<font color="Maroon">z3</font></span>)</span> = 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z3</font></span>)</span></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T16">ARYTM_0:16</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y2</font></span>)</span>,<font color="Maroon">z3</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z3</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T25">ARYTM_0:25</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z2</font></span>)</span></span>)</span></span>)</span></span>)</span>
<b>by </b><i>, , , <a class="txt" href="xcmplx_0.html#E3:12"><i><font color="Green">E28</font></i></a>, <a class="ref" href="arytm_0.html#T15">ARYTM_0:15</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<font color="Maroon">yz1</font></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T16">ARYTM_0:16</a></i>
;<br/>
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy1</font>,<font color="Maroon">z4</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy2</font>,<font color="Maroon">z3</font></span>)</span> = 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy2</font>,<font color="Maroon">z3</font></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T16">ARYTM_0:16</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x1</font>,<font color="Maroon">y1</font></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <span class="p3">(<span class="default"><a href="arytm_0.html#K3">opp</a> <span class="p4">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x2</font>,<font color="Maroon">y2</font></span>)</span></span>)</span>,<font color="Maroon">z4</font></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">xy2</font>,<font color="Maroon">z3</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T25">ARYTM_0:25</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z2</font></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<font color="Maroon">yz1</font></span>)</span></span>)</span>
<b>by </b><i>, , , <a class="ref" href="xcmplx_0.html#D4" target="_self">Def4</a>, <a class="ref" href="arytm_0.html#T15">ARYTM_0:15</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K1">+</a> <span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y3</font>,<font color="Maroon">z2</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<span class="p3">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">y4</font>,<font color="Maroon">z1</font></span>)</span></span>)</span></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<font color="Maroon">yz1</font></span>)</span>
<b>by </b><i><a class="ref" href="arytm_0.html#T25">ARYTM_0:25</a></i>
<br/>.= 
 <a href="arytm_0.html#K1">+</a> <span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x3</font>,<font color="Maroon">yz2</font></span>)</span>,<span class="p1">(<span class="default"><a href="arytm_0.html#K2">*</a> <font color="Maroon">x4</font>,<font color="Maroon">yz1</font></span>)</span>
<b>by </b><i>, <a class="ref" href="arytm_0.html#T16">ARYTM_0:16</a></i>
;<br/>
<b>hence </b><a NAME="E28:12"/>
<font color="Maroon">x</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <span class="p1">(<span class="default"><font color="Maroon">y</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">z</font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><font color="Maroon">x</font> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">y</font></span>)</span> <a href="xcmplx_0.html#K3" target="_self">*</a> <font color="Maroon">z</font>
 <b>by </b><i>, , </i>;<br/>


</div>
