<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">OAP</font> be   <a href="analoaf.html#NM1">OAffinSpace</a>;<br/>

<b>assume </b><a NAME="E1:22"/><i><font color="Green">E28</font></i>: 
<font color="Maroon">OAP</font> <a href="papdesaf.html#NR7" target="_self">satisfies_DES_1</a> 
 ;<br/>

<a NAME="E2:22"/><b>then </b><i><font color="Green">E29</font></i>: 
<font color="Maroon">OAP</font> <a href="papdesaf.html#NR6" target="_self">satisfies_DES</a> 
 
<b>by </b><i/>;<br/>
<b>set </b><font color="Maroon">AP</font> =  <a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font>;<br/>
<a NAME="E3:22"/>
for <font color="Olive">A</font>, <font color="Olive">P</font>, <font color="Olive">C</font> being  <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span><br/> for <font color="Olive">o</font>, <font color="Olive">a</font>, <font color="Olive">b</font>, <font color="Olive">c</font>, <font color="Olive">a'</font>, <font color="Olive">b'</font>, <font color="Olive">c'</font> being  <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>  st <font color="Olive">o</font> <a href="hidden.html#R2">in</a> <font color="Olive">A</font> &amp; <font color="Olive">o</font> <a href="hidden.html#R2">in</a> <font color="Olive">P</font> &amp; <font color="Olive">o</font> <a href="hidden.html#R2">in</a> <font color="Olive">C</font> &amp; <font color="Olive">o</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Olive">a</font> &amp; <font color="Olive">o</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Olive">b</font> &amp; <font color="Olive">o</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Olive">c</font> &amp; <font color="Olive">a</font> <a href="hidden.html#R2">in</a> <font color="Olive">A</font> &amp; <font color="Olive">a'</font> <a href="hidden.html#R2">in</a> <font color="Olive">A</font> &amp; <font color="Olive">b</font> <a href="hidden.html#R2">in</a> <font color="Olive">P</font> &amp; <font color="Olive">b'</font> <a href="hidden.html#R2">in</a> <font color="Olive">P</font> &amp; <font color="Olive">c</font> <a href="hidden.html#R2">in</a> <font color="Olive">C</font> &amp; <font color="Olive">c'</font> <a href="hidden.html#R2">in</a> <font color="Olive">C</font> &amp; <font color="Olive">A</font> <a href="aff_1.html#NR2" target="_self">is_line</a>  &amp; <font color="Olive">P</font> <a href="aff_1.html#NR2" target="_self">is_line</a>  &amp; <font color="Olive">C</font> <a href="aff_1.html#NR2" target="_self">is_line</a>  &amp; <font color="Olive">A</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Olive">P</font> &amp; <font color="Olive">A</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Olive">C</font> &amp; <font color="Olive">a</font>,<font color="Olive">b</font> <a href="analoaf.html#R2">//</a> <font color="Olive">a'</font>,<font color="Olive">b'</font> &amp; <font color="Olive">a</font>,<font color="Olive">c</font> <a href="analoaf.html#R2">//</a> <font color="Olive">a'</font>,<font color="Olive">c'</font> holds <br/><font color="Olive">b</font>,<font color="Olive">c</font> <a href="analoaf.html#R2">//</a> <font color="Olive">b'</font>,<font color="Olive">c'</font>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1"><b>proof </b></a><div class="add">

<b>let </b><font color="Maroon">A</font> be   <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>, <font color="Maroon">P</font> be   <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>, <font color="Maroon">C</font> be   <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>;<br/><b>let </b><font color="Maroon">o</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>, <font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>, <font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>, <font color="Maroon">c</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>, <font color="Maroon">a'</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>, <font color="Maroon">b'</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>, <font color="Maroon">c'</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span>;<br/>



<b>assume </b><b>that </b><br/><a NAME="E1:22_1"/><i><font color="Green">E38</font></i>: 
( <font color="Maroon">o</font> <a href="hidden.html#R2">in</a> <font color="Maroon">A</font> &amp; <font color="Maroon">o</font> <a href="hidden.html#R2">in</a> <font color="Maroon">P</font> &amp; <font color="Maroon">o</font> <a href="hidden.html#R2">in</a> <font color="Maroon">C</font> )
 <b>and </b><br/><a NAME="E2:22_1"/><i><font color="Green">E43</font></i>: 
( <font color="Maroon">o</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">a</font> &amp; <font color="Maroon">o</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">b</font> &amp; <font color="Maroon">o</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">c</font> )
 <b>and </b><br/><a NAME="E3:22_1"/><i><font color="Green">E59</font></i>: 
( <font color="Maroon">a</font> <a href="hidden.html#R2">in</a> <font color="Maroon">A</font> &amp; <font color="Maroon">a'</font> <a href="hidden.html#R2">in</a> <font color="Maroon">A</font> &amp; <font color="Maroon">b</font> <a href="hidden.html#R2">in</a> <font color="Maroon">P</font> &amp; <font color="Maroon">b'</font> <a href="hidden.html#R2">in</a> <font color="Maroon">P</font> &amp; <font color="Maroon">c</font> <a href="hidden.html#R2">in</a> <font color="Maroon">C</font> &amp; <font color="Maroon">c'</font> <a href="hidden.html#R2">in</a> <font color="Maroon">C</font> )
 <b>and </b><br/><a NAME="E4:22_1"/><i><font color="Green">E60</font></i>: 
( <font color="Maroon">A</font> <a href="aff_1.html#NR2" target="_self">is_line</a>  &amp; <font color="Maroon">P</font> <a href="aff_1.html#NR2" target="_self">is_line</a>  &amp; <font color="Maroon">C</font> <a href="aff_1.html#NR2" target="_self">is_line</a>  )
 <b>and </b><br/><a NAME="E5:22_1"/><i><font color="Green">E61</font></i>: 
( <font color="Maroon">A</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">P</font> &amp; <font color="Maroon">A</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">C</font> )
 <b>and </b><br/><a NAME="E6:22_1"/><i><font color="Green">E62</font></i>: 
( <font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">a'</font>,<font color="Maroon">b'</font> &amp; <font color="Maroon">a</font>,<font color="Maroon">c</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">a'</font>,<font color="Maroon">c'</font> )
 ;<br/>

<b>reconsider </b><font color="Maroon">o1</font> = <font color="Maroon">o</font>, <font color="Maroon">a1</font> = <font color="Maroon">a</font>, <font color="Maroon">b1</font> = <font color="Maroon">b</font>, <font color="Maroon">c1</font> = <font color="Maroon">c</font>, <font color="Maroon">a1'</font> = <font color="Maroon">a'</font>, <font color="Maroon">b1'</font> = <font color="Maroon">b'</font>, <font color="Maroon">c1'</font> = <font color="Maroon">c'</font> as   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">OAP</font> <b>by </b><i/>;<br/>
<a NAME="E8:22_1"/><i><font color="Green">E64</font></i>: 
(  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">a1</font>,<font color="Maroon">a1'</font> &amp;  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">b1</font>,<font color="Maroon">b1'</font> &amp;  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">c1</font>,<font color="Maroon">c1'</font> )
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1_1"><b>proof </b></a><div class="add">

<a NAME="E1:22_1_1"/>
(  <a href="aff_1.html#R1">LIN</a> <font color="Maroon">o</font>,<font color="Maroon">a</font>,<font color="Maroon">a'</font> &amp;  <a href="aff_1.html#R1">LIN</a> <font color="Maroon">o</font>,<font color="Maroon">b</font>,<font color="Maroon">b'</font> &amp;  <a href="aff_1.html#R1">LIN</a> <font color="Maroon">o</font>,<font color="Maroon">c</font>,<font color="Maroon">c'</font> )
 
<b>by </b><i>, , <a class="ref" href="papdesaf.html#T3" target="_self">Th3</a>, <a class="ref" href="aff_1.html#T33">AFF_1:33</a></i>;<br/>
<b>hence </b><a NAME="E2:22_1_1"/>
(  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">a1</font>,<font color="Maroon">a1'</font> &amp;  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">b1</font>,<font color="Maroon">b1'</font> &amp;  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">c1</font>,<font color="Maroon">c1'</font> )
 <b>by </b><i/>;<br/>


</div><b>end;</b></div>
<a NAME="E9:22_1"/><i><font color="Green">E65</font></i>: 
( not  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">a1</font>,<font color="Maroon">b1</font> &amp; not  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">a1</font>,<font color="Maroon">c1</font> )
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1_2"><b>proof </b></a><div class="add">

<b>assume </b><a NAME="E1:22_1_2"/><i><font color="Green">E67</font></i>: 
(  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">a1</font>,<font color="Maroon">b1</font> or  <a href="diraf.html#R3">LIN</a> <font color="Maroon">o1</font>,<font color="Maroon">a1</font>,<font color="Maroon">c1</font> )
 ;<br/>

<div><i><font color="Green">E68</font></i>: <a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1_2_1"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:22_1_2_1"/>
 <a href="aff_1.html#R1">LIN</a> <font color="Maroon">o</font>,<font color="Maroon">a</font>,<font color="Maroon">b</font>
 ;<br/><b>then consider </b><font color="Maroon">X</font> being   <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span><b> such that </b><br/><a NAME="E3:22_1_2_1"/><i><font color="Green">E69</font></i>: 
( <font color="Maroon">X</font> <a href="aff_1.html#NR2" target="_self">is_line</a>  &amp; <font color="Maroon">o</font> <a href="hidden.html#R2">in</a> <font color="Maroon">X</font> &amp; <font color="Maroon">a</font> <a href="hidden.html#R2">in</a> <font color="Maroon">X</font> &amp; <font color="Maroon">b</font> <a href="hidden.html#R2">in</a> <font color="Maroon">X</font> )
 <b>by </b><i><a class="ref" href="aff_1.html#T33">AFF_1:33</a></i>;<br/><a NAME="E4:22_1_2_1"/>
( <font color="Maroon">X</font> <a href="hidden.html#R1">=</a> <font color="Maroon">P</font> &amp; <font color="Maroon">X</font> <a href="hidden.html#R1">=</a> <font color="Maroon">A</font> )
 <b>by </b><i>, <a class="ref" href="papdesaf.html#T2" target="_self">Th2</a>, , <a class="ref" href="papdesaf.html#T3" target="_self">Th3</a>, <a class="txt" href="papdesaf.html#E1:22"><i><font color="Green">E28</font></i></a>, <a class="ref" href="aff_1.html#T30">AFF_1:30</a></i>;<br/><b>hence </b><a NAME="E5:22_1_2_1"/>
contradiction
 <b>by </b><i/>;<br/></div><b>end;</b></div>
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1_2_2"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:22_1_2_2"/>
 <a href="aff_1.html#R1">LIN</a> <font color="Maroon">o</font>,<font color="Maroon">a</font>,<font color="Maroon">c</font>
 ;<br/><b>then consider </b><font color="Maroon">X</font> being   <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font></span>)</span><b> such that </b><br/><a NAME="E3:22_1_2_2"/><i><font color="Green">E70</font></i>: 
( <font color="Maroon">X</font> <a href="aff_1.html#NR2" target="_self">is_line</a>  &amp; <font color="Maroon">o</font> <a href="hidden.html#R2">in</a> <font color="Maroon">X</font> &amp; <font color="Maroon">a</font> <a href="hidden.html#R2">in</a> <font color="Maroon">X</font> &amp; <font color="Maroon">c</font> <a href="hidden.html#R2">in</a> <font color="Maroon">X</font> )
 <b>by </b><i><a class="ref" href="aff_1.html#T33">AFF_1:33</a></i>;<br/><a NAME="E4:22_1_2_2"/>
( <font color="Maroon">X</font> <a href="hidden.html#R1">=</a> <font color="Maroon">C</font> &amp; <font color="Maroon">X</font> <a href="hidden.html#R1">=</a> <font color="Maroon">A</font> )
 <b>by </b><i>, <a class="ref" href="papdesaf.html#T2" target="_self">Th2</a>, , <a class="ref" href="papdesaf.html#T3" target="_self">Th3</a>, <a class="txt" href="papdesaf.html#E1:22"><i><font color="Green">E28</font></i></a>, <a class="ref" href="aff_1.html#T30">AFF_1:30</a></i>;<br/><b>hence </b><a NAME="E5:22_1_2_2"/>
contradiction
 <b>by </b><i/>;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E4:22_1_2"/>
contradiction
 <b>by </b><i>, , </i>;<br/>


</div><b>end;</b></div>
<a NAME="E10:22_1"/><i><font color="Green">E71</font></i>: 
( <font color="Maroon">a1</font>,<font color="Maroon">o1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">a1'</font> or <font color="Maroon">o1</font>,<font color="Maroon">a1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">a1'</font> )
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1_3"><b>proof </b></a><div class="add">

<a NAME="E1:22_1_3"/>
(  <a href="diraf.html#R1">Mid</a> <font color="Maroon">o1</font>,<font color="Maroon">a1</font>,<font color="Maroon">a1'</font> or  <a href="diraf.html#R1">Mid</a> <font color="Maroon">a1</font>,<font color="Maroon">o1</font>,<font color="Maroon">a1'</font> or  <a href="diraf.html#R1">Mid</a> <font color="Maroon">o1</font>,<font color="Maroon">a1'</font>,<font color="Maroon">a1</font> )
 
<b>by </b><i>, <a class="ref" href="diraf.html#T35">DIRAF:35</a></i>;<br/>
<b>hence </b><a NAME="E2:22_1_3"/>
( <font color="Maroon">a1</font>,<font color="Maroon">o1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">a1'</font> or <font color="Maroon">o1</font>,<font color="Maroon">a1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">a1'</font> )
 <b>by </b><i><a class="ref" href="diraf.html#T11">DIRAF:11</a>, <a class="ref" href="diraf.html#D3">DIRAF:def 3</a></i>;<br/>


</div><b>end;</b></div>
<a NAME="E11:22_1"/><i><font color="Green">E72</font></i>: 
( <font color="Maroon">a1</font>,<font color="Maroon">b1</font> <a href="diraf.html#R2">'||'</a> <font color="Maroon">a1'</font>,<font color="Maroon">b1'</font> &amp; <font color="Maroon">a1</font>,<font color="Maroon">c1</font> <a href="diraf.html#R2">'||'</a> <font color="Maroon">a1'</font>,<font color="Maroon">c1'</font> )
 
<b>by </b><i>, <a class="ref" href="diraf.html#T45">DIRAF:45</a></i>;<br/>
<div><i><font color="Green">E73</font></i>: <a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1_4"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:22_1_4"/><i><font color="Green">E74</font></i>: 
<font color="Maroon">a1</font>,<font color="Maroon">o1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">a1'</font>
 ;<br/><a NAME="E2:22_1_4"/><b>then </b>
( <font color="Maroon">b1</font>,<font color="Maroon">o1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">b1'</font> &amp; <font color="Maroon">c1</font>,<font color="Maroon">o1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">c1'</font> &amp; <font color="Maroon">a1</font>,<font color="Maroon">b1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b1'</font>,<font color="Maroon">a1'</font> &amp; <font color="Maroon">a1</font>,<font color="Maroon">c1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">c1'</font>,<font color="Maroon">a1'</font> )
 <b>by </b><i>, , , </i>;<br/><a NAME="E3:22_1_4"/><b>then </b>
<font color="Maroon">b1</font>,<font color="Maroon">c1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">c1'</font>,<font color="Maroon">b1'</font>
 <b>by </b><i>, , <a class="txt" href="papdesaf.html#E2:22"><i><font color="Green">E29</font></i></a>, </i>;<br/><a NAME="E4:22_1_4"/><b>then </b>
<font color="Maroon">b1</font>,<font color="Maroon">c1</font> <a href="diraf.html#R2">'||'</a> <font color="Maroon">b1'</font>,<font color="Maroon">c1'</font>
 <b>by </b><i><a class="ref" href="diraf.html#D4">DIRAF:def 4</a></i>;<br/><b>hence </b><a NAME="E5:22_1_4"/>
<font color="Maroon">b</font>,<font color="Maroon">c</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b'</font>,<font color="Maroon">c'</font>
 <b>by </b><i><a class="ref" href="diraf.html#T45">DIRAF:45</a></i>;<br/></div><b>end;</b></div>
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1_5"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:22_1_5"/><i><font color="Green">E75</font></i>: 
<font color="Maroon">o1</font>,<font color="Maroon">a1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">a1'</font>
 ;<br/><a NAME="E2:22_1_5"/><b>then </b>
( <font color="Maroon">o1</font>,<font color="Maroon">b1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">b1'</font> &amp; <font color="Maroon">o1</font>,<font color="Maroon">c1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">o1</font>,<font color="Maroon">c1'</font> &amp; <font color="Maroon">a1</font>,<font color="Maroon">b1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">a1'</font>,<font color="Maroon">b1'</font> &amp; <font color="Maroon">a1</font>,<font color="Maroon">c1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">a1'</font>,<font color="Maroon">c1'</font> )
 <b>by </b><i>, , , </i>;<br/><a NAME="E3:22_1_5"/><b>then </b>
<font color="Maroon">b1</font>,<font color="Maroon">c1</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b1'</font>,<font color="Maroon">c1'</font>
 <b>by </b><i>, , <a class="txt" href="papdesaf.html#E2:22"><i><font color="Green">E29</font></i></a>, </i>;<br/><a NAME="E4:22_1_5"/><b>then </b>
<font color="Maroon">b1</font>,<font color="Maroon">c1</font> <a href="diraf.html#R2">'||'</a> <font color="Maroon">b1'</font>,<font color="Maroon">c1'</font>
 <b>by </b><i><a class="ref" href="diraf.html#D4">DIRAF:def 4</a></i>;<br/><b>hence </b><a NAME="E5:22_1_5"/>
<font color="Maroon">b</font>,<font color="Maroon">c</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b'</font>,<font color="Maroon">c'</font>
 <b>by </b><i><a class="ref" href="diraf.html#T45">DIRAF:45</a></i>;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E14:22_1"/>
<font color="Maroon">b</font>,<font color="Maroon">c</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b'</font>,<font color="Maroon">c'</font>
 <b>by </b><i>, <a class="txt" href="papdesaf.html#E1:22"><i><font color="Green">E28</font></i></a></i>;<br/>


</div><b>end;</b></div>
<b>hence </b><a NAME="E4:22"/>
 <a href="diraf.html#K2">Lambda</a> <font color="Maroon">OAP</font> <a href="papdesaf.html#NR2" target="_self">satisfies_DES'</a> 
 <b>by </b><i><a class="ref" href="aff_2.html#D4">AFF_2:def 4</a></i>;<br/>


</div>
