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

<b>let </b><font color="Maroon" title="c1">IPP</font> be  <a href="incproj.html#V6" title="INCPROJ:attr.6">2-dimensional</a> <a href="incproj.html#V10" title="INCPROJ:attr.10">Desarguesian</a> <a href="incproj.html#NM2" title="INCPROJ:NM.2">IncProjSp</a>;<br/><b>let </b><font color="Maroon" title="c2">o</font> be   <a href="incsp_1.html#NM1" title="INCSP_1:NM.1">POINT</a> of <font color="Maroon" title="c1">IPP</font>;<br/><b>let </b><font color="Maroon" title="c3">A</font>, <font color="Maroon" title="c4">B</font> be   <a href="incsp_1.html#NM2" title="INCSP_1:NM.2">LINE</a> of <font color="Maroon" title="c1">IPP</font>;<br/>







<b>assume </b><a NAME="E1:10"/><i><font color="Green" title="E9">A1</font></i>: 
( not <font color="Maroon" title="c2">o</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Maroon" title="c3">A</font> &amp; not <font color="Maroon" title="c2">o</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Maroon" title="c4">B</font> )
 ;<br/>

<b>set </b><font color="Maroon" title="c5">f</font> =  <a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font>;<br/>
<b>set </b><font color="Maroon" title="c6">g</font> =  <a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c4">B</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">A</font>;<br/>
<a NAME="E2:10"/><i><font color="Green" title="E10">A2</font></i>: 
 <a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font> is <a href="funct_1.html#V2" title="FUNCT_1:attr.2">one-to-one</a>
 
<b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="ref" href="projred2.html#T8" target="_self" title="PROJRED2:th.8">Th8</a></i>;<br/>
<i><font color="Green" title="E11">A3</font></i>:  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c4">B</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">A</font></span>)</span> = 
 <a href="projred2.html#K1" title="PROJRED2:func.1">CHAIN</a> <font color="Maroon" title="c4">B</font>
<b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="ref" href="projred2.html#T5" target="_self" title="PROJRED2:th.5">Th5</a></i>
<br/>.= 
 <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span>
<b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="ref" href="projred2.html#T6" target="_self" title="PROJRED2:th.6">Th6</a></i>
;<br/>
<a NAME="E4:10"/><i><font color="Green" title="E12">A4</font></i>: 
(  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="projred2.html#K1" title="PROJRED2:func.1">CHAIN</a> <font color="Maroon" title="c3">A</font> &amp;  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="projred2.html#K1" title="PROJRED2:func.1">CHAIN</a> <font color="Maroon" title="c4">B</font> )
 
<b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="ref" href="projred2.html#T5" target="_self" title="PROJRED2:th.5">Th5</a>, <a class="ref" href="projred2.html#T6" target="_self" title="PROJRED2:th.6">Th6</a></i>;<br/>
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="10_2"><b>now </b></a><div class="add"><b>let </b><font color="Maroon" title="c7">y</font>, <font color="Maroon" title="c8">x</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>thus </b><a NAME="E1:10_2"/>
( <font color="Maroon" title="c7">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> &amp; <font color="Maroon" title="c8">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c4">B</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">A</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c7">y</font> iff ( <font color="Maroon" title="c8">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> &amp; <font color="Maroon" title="c7">y</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c8">x</font> ) )
 <div><a class="txt" onclick="hs2(this)" href="javascript:()" title="10_2_1"><b>proof </b></a><div class="add">

<div><i><font color="Green" title="E13">A5</font></i>: <a class="txt" onclick="hs2(this)" href="javascript:()" title="10_2_1_1"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:10_2_1_1"/><i><font color="Green" title="E14">A6</font></i>: 
( <font color="Maroon" title="c7">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> &amp; <font color="Maroon" title="c8">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c4">B</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">A</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c7">y</font> )
 ;<br/><b>then consider </b><font color="Maroon" title="c9">y'</font> being   <a href="incsp_1.html#NM1" title="INCSP_1:NM.1">POINT</a> of <font color="Maroon" title="c1">IPP</font><b> such that </b><br/><a NAME="E3:10_2_1_1"/><i><font color="Green" title="E15">A7</font></i>: 
( <font color="Maroon" title="c7">y</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c9">y'</font> &amp; <font color="Maroon" title="c9">y'</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Maroon" title="c4">B</font> )
 <b>by </b><i><a class="txt" href="projred2.html#E4:10"><i><font color="Green" title="E12">A4</font></i></a></i>;<br/><b>reconsider </b><font color="Maroon" title="c10">x'</font> = <font color="Maroon" title="c8">x</font> as   <a href="incsp_1.html#NM1" title="INCSP_1:NM.1">POINT</a> of <font color="Maroon" title="c1">IPP</font> <b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="projred2.html#E1:10_2_1_1"><i><font color="Green" title="E14">A6</font></i></a>, <a class="txt" href="projred2.html#E3:10_2_1_1"><i><font color="Green" title="E15">A7</font></i></a>, <a class="ref" href="projred1.html#T22" title="PROJRED1:th.22">PROJRED1:22</a></i>;<br/><a NAME="E5:10_2_1_1"/><i><font color="Green" title="E16">A8</font></i>: 
<font color="Maroon" title="c10">x'</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Maroon" title="c3">A</font>
 <b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="projred2.html#E1:10_2_1_1"><i><font color="Green" title="E14">A6</font></i></a>, <a class="txt" href="projred2.html#E3:10_2_1_1"><i><font color="Green" title="E15">A7</font></i></a>, <a class="ref" href="projred1.html#T23" title="PROJRED1:th.23">PROJRED1:23</a></i>;<br/><a NAME="E6:10_2_1_1"/><b>then </b>
 ex <font color="Olive" title="b1">O</font> being  <a href="incsp_1.html#NM2" title="INCSP_1:NM.2">LINE</a> of <font color="Maroon" title="c1">IPP</font> st <br/>( <font color="Maroon" title="c2">o</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Olive" title="b1">O</font> &amp; <font color="Maroon" title="c9">y'</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Olive" title="b1">O</font> &amp; <font color="Maroon" title="c10">x'</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Olive" title="b1">O</font> )
 <b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="projred2.html#E1:10_2_1_1"><i><font color="Green" title="E14">A6</font></i></a>, <a class="txt" href="projred2.html#E3:10_2_1_1"><i><font color="Green" title="E15">A7</font></i></a>, <a class="ref" href="projred1.html#D1" title="PROJRED1:def.1">PROJRED1:def 1</a></i>;<br/><b>hence </b><a NAME="E7:10_2_1_1"/>
( <font color="Maroon" title="c8">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> &amp; <font color="Maroon" title="c7">y</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c8">x</font> )
 <b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="projred2.html#E3:10_2_1_1"><i><font color="Green" title="E15">A7</font></i></a>, <a class="txt" href="projred2.html#E5:10_2_1_1"><i><font color="Green" title="E16">A8</font></i></a>, <a class="ref" href="projred1.html#D1" title="PROJRED1:def.1">PROJRED1:def 1</a></i>;<br/></div><b>end;</b></div>
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="10_2_1_2"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:10_2_1_2"/><i><font color="Green" title="E14">A9</font></i>: 
( <font color="Maroon" title="c8">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> &amp; <font color="Maroon" title="c7">y</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c8">x</font> )
 ;<br/><b>then consider </b><font color="Maroon" title="c9">x'</font> being   <a href="incsp_1.html#NM1" title="INCSP_1:NM.1">POINT</a> of <font color="Maroon" title="c1">IPP</font><b> such that </b><br/><a NAME="E3:10_2_1_2"/><i><font color="Green" title="E15">A10</font></i>: 
( <font color="Maroon" title="c8">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c9">x'</font> &amp; <font color="Maroon" title="c9">x'</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Maroon" title="c3">A</font> )
 <b>by </b><i><a class="txt" href="projred2.html#E4:10"><i><font color="Green" title="E12">A4</font></i></a></i>;<br/><b>reconsider </b><font color="Maroon" title="c10">y'</font> = <font color="Maroon" title="c7">y</font> as   <a href="incsp_1.html#NM1" title="INCSP_1:NM.1">POINT</a> of <font color="Maroon" title="c1">IPP</font> <b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="projred2.html#E1:10_2_1_2"><i><font color="Green" title="E14">A9</font></i></a>, <a class="txt" href="projred2.html#E3:10_2_1_2"><i><font color="Green" title="E15">A10</font></i></a>, <a class="ref" href="projred1.html#T22" title="PROJRED1:th.22">PROJRED1:22</a></i>;<br/><a NAME="E5:10_2_1_2"/><i><font color="Green" title="E16">A11</font></i>: 
<font color="Maroon" title="c10">y'</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Maroon" title="c4">B</font>
 <b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="projred2.html#E1:10_2_1_2"><i><font color="Green" title="E14">A9</font></i></a>, <a class="txt" href="projred2.html#E3:10_2_1_2"><i><font color="Green" title="E15">A10</font></i></a>, <a class="ref" href="projred1.html#T23" title="PROJRED1:th.23">PROJRED1:23</a></i>;<br/><a NAME="E6:10_2_1_2"/><b>then </b><i><font color="Green" title="E17">A12</font></i>: 
 ex <font color="Olive" title="b1">O</font> being  <a href="incsp_1.html#NM2" title="INCSP_1:NM.2">LINE</a> of <font color="Maroon" title="c1">IPP</font> st <br/>( <font color="Maroon" title="c2">o</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Olive" title="b1">O</font> &amp; <font color="Maroon" title="c9">x'</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Olive" title="b1">O</font> &amp; <font color="Maroon" title="c10">y'</font> <a href="incsp_1.html#R1" title="INCSP_1:pred.1">on</a> <font color="Olive" title="b1">O</font> )
 <b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="projred2.html#E1:10_2_1_2"><i><font color="Green" title="E14">A9</font></i></a>, <a class="txt" href="projred2.html#E3:10_2_1_2"><i><font color="Green" title="E15">A10</font></i></a>, <a class="ref" href="projred1.html#D1" title="PROJRED1:def.1">PROJRED1:def 1</a></i>;<br/><a NAME="E7:10_2_1_2"/>
<font color="Maroon" title="c7">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="projred2.html#K1" title="PROJRED2:func.1">CHAIN</a> <font color="Maroon" title="c4">B</font>
 <b>by </b><i><a class="txt" href="projred2.html#E5:10_2_1_2"><i><font color="Green" title="E16">A11</font></i></a></i>;<br/><b>hence </b><a NAME="E8:10_2_1_2"/>
( <font color="Maroon" title="c7">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> &amp; <font color="Maroon" title="c8">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c4">B</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">A</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c7">y</font> )
 <b>by </b><i><a class="txt" href="projred2.html#E1:10"><i><font color="Green" title="E9">A1</font></i></a>, <a class="txt" href="projred2.html#E3:10_2_1_2"><i><font color="Green" title="E15">A10</font></i></a>, <a class="txt" href="projred2.html#E5:10_2_1_2"><i><font color="Green" title="E16">A11</font></i></a>, <a class="txt" href="projred2.html#E6:10_2_1_2"><i><font color="Green" title="E17">A12</font></i></a>, <a class="ref" href="projred2.html#T6" target="_self" title="PROJRED2:th.6">Th6</a>, <a class="ref" href="projred1.html#D1" title="PROJRED1:def.1">PROJRED1:def 1</a></i>;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E3:10_2_1"/>
( <font color="Maroon" title="c7">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> &amp; <font color="Maroon" title="c8">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c4">B</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">A</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c7">y</font> iff ( <font color="Maroon" title="c8">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> &amp; <font color="Maroon" title="c7">y</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c8">x</font> ) )
 <b>by </b><i><a class="txt" href="projred2.html#E1:10_2_1"><i><font color="Green" title="E13">A5</font></i></a></i>;<br/>


</div><b>end;</b></div></div><b>end;</b></div>
<b>hence </b><a NAME="E6:10"/>
<span class="p1">(<span class="default"><a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c3">A</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">B</font></span>)</span> <a href="funct_1.html#K2" title="FUNCT_1:func.2">"</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="projred1.html#K1" title="PROJRED1:func.1">IncProj</a> <font color="Maroon" title="c4">B</font>,<font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">A</font>
 <b>by </b><i><a class="txt" href="projred2.html#E2:10"><i><font color="Green" title="E10">A2</font></i></a>, <a class="txt" href="projred2.html#E3:10"><i><font color="Green" title="E11">A3</font></i></a>, <a class="ref" href="funct_1.html#T54" title="FUNCT_1:th.54">FUNCT_1:54</a></i>;<br/>


</div>
