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

<b>let </b><font color="Maroon">OAS</font> be   <a href="analoaf.html#NM1">OAffinSpace</a>;<br/><b>let </b><font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">OAS</font>;<br/><b>let </b><font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">OAS</font>;<br/><b>let </b><font color="Maroon">f</font> be   <a href="funct_2.html#NM2">Permutation</a> of the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">OAS</font>;<br/>







<b>assume </b><b>that </b><br/><a NAME="E1:73"/><i><font color="Green">E22</font></i>: 
<font color="Maroon">f</font> <a href="transgeo.html#NR7" target="_self">is_Tr</a> 
 <b>and </b><br/><a NAME="E2:73"/><i><font color="Green">E25</font></i>: 
not  <a href="diraf.html#R3">LIN</a> <font color="Maroon">a</font>,<font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">a</font>,<font color="Maroon">b</font>
 ;<br/>

<a NAME="E3:73"/><i><font color="Green">E26</font></i>: 
<font color="Maroon">f</font> <a href="transgeo.html#NR6" target="_self">is_Dil</a> 
 
<b>by </b><i><a class="ref" href="transgeo.html#T24" target="_self">Th24</a>, </i>;<br/>
<a NAME="E4:73"/><b>then </b><i><font color="Green">E28</font></i>: 
<font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="diraf.html#R2">'||'</a> <font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">a</font>,<font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">b</font>
 
<b>by </b><i/>;<br/>
<a NAME="E5:73"/>
<font color="Maroon">a</font>,<font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">a</font> <a href="diraf.html#R2">'||'</a> <font color="Maroon">b</font>,<font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">b</font>
 
<b>by </b><i><a class="ref" href="transgeo.html#T24" target="_self">Th24</a>, <a class="ref" href="transgeo.html#D3" target="_self">Def3</a>, <a class="txt" href="transgeo.html#E13"><i><font color="Green">Lemma38</font></i></a></i>;<br/>
<b>hence </b><a NAME="E6:73"/>
( <font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">a</font>,<font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">b</font> &amp; <font color="Maroon">a</font>,<font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">a</font> <a href="analoaf.html#R2">//</a> <font color="Maroon">b</font>,<font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">b</font> )
 <b>by </b><i><a class="ref" href="transgeo.html#T26" target="_self">Th26</a>, <a class="ref" href="transgeo.html#T28" target="_self">Th28</a>, <a class="ref" href="pasch.html#T21">PASCH:21</a></i>;<br/>


</div>
