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<b>let </b><font color="Maroon" title="c1">V</font> be  <a href="anproj_2.html#V1" title="ANPROJ_2:attr.1">up-3-dimensional</a> <a href="rlvect_1.html#NM2" title="RLVECT_1:NM.2">RealLinearSpace</a>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide">  <a href="anproj_1.html#K6" title="ANPROJ_1:func.6">ProjectiveSpace</a> <font color="Maroon" title="c1">V</font> is <a href="anproj_2.html#V5" title="ANPROJ_2:attr.5">Desarguesian</a></span><br/><b>let </b><font color="Maroon" title="c2">o</font>, <font color="Maroon" title="c3">p1</font>, <font color="Maroon" title="c4">p2</font>, <font color="Maroon" title="c5">p3</font>, <font color="Maroon" title="c6">q1</font>, <font color="Maroon" title="c7">q2</font>, <font color="Maroon" title="c8">q3</font>, <font color="Maroon" title="c9">r1</font>, <font color="Maroon" title="c10">r2</font>, <font color="Maroon" title="c11">r3</font> be   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <span class="p1">(<span class="default"><a href="anproj_1.html#K6" title="ANPROJ_1:func.6">ProjectiveSpace</a> <font color="Maroon" title="c1">V</font></span>)</span>; <i><font color="Red">:: according to </font></i><a class="ref" href="anproj_2.html#D12" target="_self" title="ANPROJ_2:def.12">ANPROJ_2:def 12</a> <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c2">o</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c6">q1</font> &amp; <font color="Maroon" title="c3">p1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c6">q1</font> &amp; <font color="Maroon" title="c2">o</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c7">q2</font> &amp; <font color="Maroon" title="c4">p2</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c7">q2</font> &amp; <font color="Maroon" title="c2">o</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c8">q3</font> &amp; <font color="Maroon" title="c5">p3</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c8">q3</font> &amp; not <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c4">p2</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; not <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c5">p3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; not <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">p2</font>,<font color="Maroon" title="c5">p3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c4">p2</font>,<font color="Maroon" title="c11">r3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c6">q1</font>,<font color="Maroon" title="c7">q2</font>,<font color="Maroon" title="c11">r3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c4">p2</font>,<font color="Maroon" title="c5">p3</font>,<font color="Maroon" title="c9">r1</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c7">q2</font>,<font color="Maroon" title="c8">q3</font>,<font color="Maroon" title="c9">r1</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c5">p3</font>,<font color="Maroon" title="c10">r2</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c6">q1</font>,<font color="Maroon" title="c8">q3</font>,<font color="Maroon" title="c10">r2</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c6">q1</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">p2</font>,<font color="Maroon" title="c7">q2</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c5">p3</font>,<font color="Maroon" title="c8">q3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  implies <font color="Maroon" title="c9">r1</font>,<font color="Maroon" title="c10">r2</font>,<font color="Maroon" title="c11">r3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  )</span><br/>



<b>assume </b><b>that </b><br/><a NAME="E1:87"/><i><font color="Green" title="E78">A1</font></i>: 
( <font color="Maroon" title="c2">o</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c6">q1</font> &amp; <font color="Maroon" title="c3">p1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c6">q1</font> &amp; <font color="Maroon" title="c2">o</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c7">q2</font> &amp; <font color="Maroon" title="c4">p2</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c7">q2</font> &amp; <font color="Maroon" title="c2">o</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c8">q3</font> &amp; <font color="Maroon" title="c5">p3</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c8">q3</font> )
 <b>and </b><br/><a NAME="E2:87"/><i><font color="Green" title="E79">A2</font></i>: 
( not <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c4">p2</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; not <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c5">p3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; not <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">p2</font>,<font color="Maroon" title="c5">p3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  )
 <b>and </b><br/><a NAME="E3:87"/><i><font color="Green" title="E80">A3</font></i>: 
( <font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c4">p2</font>,<font color="Maroon" title="c11">r3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c6">q1</font>,<font color="Maroon" title="c7">q2</font>,<font color="Maroon" title="c11">r3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c4">p2</font>,<font color="Maroon" title="c5">p3</font>,<font color="Maroon" title="c9">r1</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c7">q2</font>,<font color="Maroon" title="c8">q3</font>,<font color="Maroon" title="c9">r1</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c5">p3</font>,<font color="Maroon" title="c10">r2</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c6">q1</font>,<font color="Maroon" title="c8">q3</font>,<font color="Maroon" title="c10">r2</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  )
 <b>and </b><br/><a NAME="E4:87"/><i><font color="Green" title="E81">A4</font></i>: 
( <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c3">p1</font>,<font color="Maroon" title="c6">q1</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c4">p2</font>,<font color="Maroon" title="c7">q2</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  &amp; <font color="Maroon" title="c2">o</font>,<font color="Maroon" title="c5">p3</font>,<font color="Maroon" title="c8">q3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a>  )
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <font color="Maroon" title="c9">r1</font>,<font color="Maroon" title="c10">r2</font>,<font color="Maroon" title="c11">r3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a> </span><br/>

<b>consider </b><font color="Maroon" title="c12">o'</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E6:87"/><i><font color="Green" title="E82">A5</font></i>: 
( <font color="Maroon" title="c12">o'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c2">o</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c12">o'</font> )
 <b>by </b><i><a class="ref" href="anproj_1.html#T42" title="ANPROJ_1:th.42">ANPROJ_1:42</a></i>;<br/>
<b>consider </b><font color="Maroon" title="c13">p1'</font>, <font color="Maroon" title="c14">p2'</font>, <font color="Maroon" title="c15">r3'</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E8:87"/><i><font color="Green" title="E83">A6</font></i>: 
( <font color="Maroon" title="c3">p1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c13">p1'</font> &amp; <font color="Maroon" title="c4">p2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c14">p2'</font> &amp; <font color="Maroon" title="c11">r3</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c15">r3'</font> &amp; <font color="Maroon" title="c13">p1'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c14">p2'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c15">r3'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c15">r3'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E3:87"><i><font color="Green" title="E80">A3</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<b>consider </b><font color="Maroon" title="c16">q1'</font>, <font color="Maroon" title="c17">q2'</font>, <font color="Maroon" title="c18">r3''</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E10:87"/><i><font color="Green" title="E84">A7</font></i>: 
( <font color="Maroon" title="c6">q1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c16">q1'</font> &amp; <font color="Maroon" title="c7">q2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c17">q2'</font> &amp; <font color="Maroon" title="c11">r3</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c18">r3''</font> &amp; <font color="Maroon" title="c16">q1'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c17">q2'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c18">r3''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c16">q1'</font>,<font color="Maroon" title="c17">q2'</font>,<font color="Maroon" title="c18">r3''</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E3:87"><i><font color="Green" title="E80">A3</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E11:87"/><i><font color="Green" title="E85">A8</font></i>: 
<font color="Maroon" title="c16">q1'</font>,<font color="Maroon" title="c17">q2'</font>,<font color="Maroon" title="c15">r3'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="87_1"><b>proof </b></a><div class="add">

<a NAME="E1:87_1"/>
 <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c18">r3''</font>,<font color="Maroon" title="c15">r3'</font>
 
<b>by </b><i><a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E10:87"><i><font color="Green" title="E84">A7</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>hence </b><a NAME="E2:87_1"/>
<font color="Maroon" title="c16">q1'</font>,<font color="Maroon" title="c17">q2'</font>,<font color="Maroon" title="c15">r3'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E10:87"><i><font color="Green" title="E84">A7</font></i></a>, <a class="ref" href="anproj_1.html#T9" title="ANPROJ_1:th.9">ANPROJ_1:9</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<b>consider </b><font color="Maroon" title="c19">p2''</font>, <font color="Maroon" title="c20">p3'</font>, <font color="Maroon" title="c21">r1'</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E13:87"/><i><font color="Green" title="E86">A9</font></i>: 
( <font color="Maroon" title="c4">p2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c19">p2''</font> &amp; <font color="Maroon" title="c5">p3</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c20">p3'</font> &amp; <font color="Maroon" title="c9">r1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c21">r1'</font> &amp; <font color="Maroon" title="c19">p2''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c20">p3'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c21">r1'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c19">p2''</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c21">r1'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E3:87"><i><font color="Green" title="E80">A3</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E14:87"/><i><font color="Green" title="E87">A10</font></i>: 
<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c21">r1'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="87_2"><b>proof </b></a><div class="add">

<a NAME="E1:87_2"/>
 <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c19">p2''</font>,<font color="Maroon" title="c14">p2'</font>
 
<b>by </b><i><a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>hence </b><a NAME="E2:87_2"/>
<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c21">r1'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="ref" href="anproj_1.html#T9" title="ANPROJ_1:th.9">ANPROJ_1:9</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<b>consider </b><font color="Maroon" title="c22">q2''</font>, <font color="Maroon" title="c23">q3'</font>, <font color="Maroon" title="c24">r1''</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E16:87"/><i><font color="Green" title="E88">A11</font></i>: 
( <font color="Maroon" title="c7">q2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c22">q2''</font> &amp; <font color="Maroon" title="c8">q3</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c23">q3'</font> &amp; <font color="Maroon" title="c9">r1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c24">r1''</font> &amp; <font color="Maroon" title="c22">q2''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c23">q3'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c24">r1''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c22">q2''</font>,<font color="Maroon" title="c23">q3'</font>,<font color="Maroon" title="c24">r1''</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E3:87"><i><font color="Green" title="E80">A3</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E17:87"/><i><font color="Green" title="E89">A12</font></i>: 
<font color="Maroon" title="c17">q2'</font>,<font color="Maroon" title="c23">q3'</font>,<font color="Maroon" title="c21">r1'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="87_3"><b>proof </b></a><div class="add">

<a NAME="E1:87_3"/>
(  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c22">q2''</font>,<font color="Maroon" title="c17">q2'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c24">r1''</font>,<font color="Maroon" title="c21">r1'</font> )
 
<b>by </b><i><a class="txt" href="anproj_2.html#E10:87"><i><font color="Green" title="E84">A7</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="txt" href="anproj_2.html#E16:87"><i><font color="Green" title="E88">A11</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>hence </b><a NAME="E2:87_3"/>
<font color="Maroon" title="c17">q2'</font>,<font color="Maroon" title="c23">q3'</font>,<font color="Maroon" title="c21">r1'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E16:87"><i><font color="Green" title="E88">A11</font></i></a>, <a class="ref" href="anproj_1.html#T9" title="ANPROJ_1:th.9">ANPROJ_1:9</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<b>consider </b><font color="Maroon" title="c25">p1''</font>, <font color="Maroon" title="c26">p3''</font>, <font color="Maroon" title="c27">r2'</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E19:87"/><i><font color="Green" title="E90">A13</font></i>: 
( <font color="Maroon" title="c3">p1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c25">p1''</font> &amp; <font color="Maroon" title="c5">p3</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c26">p3''</font> &amp; <font color="Maroon" title="c10">r2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c27">r2'</font> &amp; <font color="Maroon" title="c25">p1''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c26">p3''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c27">r2'</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c25">p1''</font>,<font color="Maroon" title="c26">p3''</font>,<font color="Maroon" title="c27">r2'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E3:87"><i><font color="Green" title="E80">A3</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E20:87"/><i><font color="Green" title="E91">A14</font></i>: 
<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c27">r2'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="87_4"><b>proof </b></a><div class="add">

<a NAME="E1:87_4"/>
(  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c25">p1''</font>,<font color="Maroon" title="c13">p1'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c26">p3''</font>,<font color="Maroon" title="c20">p3'</font> )
 
<b>by </b><i><a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="txt" href="anproj_2.html#E19:87"><i><font color="Green" title="E90">A13</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>hence </b><a NAME="E2:87_4"/>
<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c27">r2'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E19:87"><i><font color="Green" title="E90">A13</font></i></a>, <a class="ref" href="anproj_1.html#T9" title="ANPROJ_1:th.9">ANPROJ_1:9</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<b>consider </b><font color="Maroon" title="c28">q1''</font>, <font color="Maroon" title="c29">q3''</font>, <font color="Maroon" title="c30">r2''</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E22:87"/><i><font color="Green" title="E92">A15</font></i>: 
( <font color="Maroon" title="c6">q1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c28">q1''</font> &amp; <font color="Maroon" title="c8">q3</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c29">q3''</font> &amp; <font color="Maroon" title="c10">r2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c30">r2''</font> &amp; <font color="Maroon" title="c28">q1''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c29">q3''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c30">r2''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c28">q1''</font>,<font color="Maroon" title="c29">q3''</font>,<font color="Maroon" title="c30">r2''</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E3:87"><i><font color="Green" title="E80">A3</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E23:87"/><i><font color="Green" title="E93">A16</font></i>: 
<font color="Maroon" title="c16">q1'</font>,<font color="Maroon" title="c23">q3'</font>,<font color="Maroon" title="c27">r2'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="87_5"><b>proof </b></a><div class="add">

<a NAME="E1:87_5"/>
(  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c28">q1''</font>,<font color="Maroon" title="c16">q1'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c29">q3''</font>,<font color="Maroon" title="c23">q3'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c30">r2''</font>,<font color="Maroon" title="c27">r2'</font> )
 
<b>by </b><i><a class="txt" href="anproj_2.html#E10:87"><i><font color="Green" title="E84">A7</font></i></a>, <a class="txt" href="anproj_2.html#E16:87"><i><font color="Green" title="E88">A11</font></i></a>, <a class="txt" href="anproj_2.html#E19:87"><i><font color="Green" title="E90">A13</font></i></a>, <a class="txt" href="anproj_2.html#E22:87"><i><font color="Green" title="E92">A15</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>hence </b><a NAME="E2:87_5"/>
<font color="Maroon" title="c16">q1'</font>,<font color="Maroon" title="c23">q3'</font>,<font color="Maroon" title="c27">r2'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E22:87"><i><font color="Green" title="E92">A15</font></i></a>, <a class="ref" href="anproj_1.html#T9" title="ANPROJ_1:th.9">ANPROJ_1:9</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<a NAME="E24:87"/><i><font color="Green" title="E94">A17</font></i>: 
( not  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c16">q1'</font> &amp; not  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c17">q2'</font> &amp; not  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c23">q3'</font> &amp; not  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c16">q1'</font> &amp; not  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c17">q2'</font> &amp; not  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c23">q3'</font> )
 
<b>by </b><i><a class="txt" href="anproj_2.html#E1:87"><i><font color="Green" title="E78">A1</font></i></a>, <a class="txt" href="anproj_2.html#E6:87"><i><font color="Green" title="E82">A5</font></i></a>, <a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E10:87"><i><font color="Green" title="E84">A7</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="txt" href="anproj_2.html#E16:87"><i><font color="Green" title="E88">A11</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>consider </b><font color="Maroon" title="c31">o''</font>, <font color="Maroon" title="c32">p1'''</font>, <font color="Maroon" title="c33">q1'''</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E26:87"/><i><font color="Green" title="E95">A18</font></i>: 
( <font color="Maroon" title="c2">o</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c31">o''</font> &amp; <font color="Maroon" title="c3">p1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c32">p1'''</font> &amp; <font color="Maroon" title="c6">q1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c33">q1'''</font> &amp; <font color="Maroon" title="c31">o''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c32">p1'''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c33">q1'''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c31">o''</font>,<font color="Maroon" title="c32">p1'''</font>,<font color="Maroon" title="c33">q1'''</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E4:87"><i><font color="Green" title="E81">A4</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E27:87"/><i><font color="Green" title="E96">A19</font></i>: 
<font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c16">q1'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="87_6"><b>proof </b></a><div class="add">

<a NAME="E1:87_6"/>
(  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c31">o''</font>,<font color="Maroon" title="c12">o'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c32">p1'''</font>,<font color="Maroon" title="c13">p1'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c33">q1'''</font>,<font color="Maroon" title="c16">q1'</font> )
 
<b>by </b><i><a class="txt" href="anproj_2.html#E6:87"><i><font color="Green" title="E82">A5</font></i></a>, <a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E10:87"><i><font color="Green" title="E84">A7</font></i></a>, <a class="txt" href="anproj_2.html#E26:87"><i><font color="Green" title="E95">A18</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>hence </b><a NAME="E2:87_6"/>
<font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c16">q1'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E26:87"><i><font color="Green" title="E95">A18</font></i></a>, <a class="ref" href="anproj_1.html#T9" title="ANPROJ_1:th.9">ANPROJ_1:9</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<b>consider </b><font color="Maroon" title="c34">o'''</font>, <font color="Maroon" title="c35">p2'''</font>, <font color="Maroon" title="c36">q2'''</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E29:87"/><i><font color="Green" title="E97">A20</font></i>: 
( <font color="Maroon" title="c2">o</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c34">o'''</font> &amp; <font color="Maroon" title="c4">p2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c35">p2'''</font> &amp; <font color="Maroon" title="c7">q2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c36">q2'''</font> &amp; <font color="Maroon" title="c34">o'''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c35">p2'''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c36">q2'''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c34">o'''</font>,<font color="Maroon" title="c35">p2'''</font>,<font color="Maroon" title="c36">q2'''</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E4:87"><i><font color="Green" title="E81">A4</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E30:87"/><i><font color="Green" title="E98">A21</font></i>: 
<font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c17">q2'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="87_7"><b>proof </b></a><div class="add">

<a NAME="E1:87_7"/>
(  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c34">o'''</font>,<font color="Maroon" title="c12">o'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c35">p2'''</font>,<font color="Maroon" title="c14">p2'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c36">q2'''</font>,<font color="Maroon" title="c17">q2'</font> )
 
<b>by </b><i><a class="txt" href="anproj_2.html#E6:87"><i><font color="Green" title="E82">A5</font></i></a>, <a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E10:87"><i><font color="Green" title="E84">A7</font></i></a>, <a class="txt" href="anproj_2.html#E29:87"><i><font color="Green" title="E97">A20</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>hence </b><a NAME="E2:87_7"/>
<font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c17">q2'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E29:87"><i><font color="Green" title="E97">A20</font></i></a>, <a class="ref" href="anproj_1.html#T9" title="ANPROJ_1:th.9">ANPROJ_1:9</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<b>consider </b><font color="Maroon" title="c37">o''''</font>, <font color="Maroon" title="c38">p3'''</font>, <font color="Maroon" title="c39">q3'''</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">V</font><b> such that </b><br/><a NAME="E32:87"/><i><font color="Green" title="E99">A22</font></i>: 
( <font color="Maroon" title="c2">o</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c37">o''''</font> &amp; <font color="Maroon" title="c5">p3</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c38">p3'''</font> &amp; <font color="Maroon" title="c8">q3</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="anproj_1.html#K3" title="ANPROJ_1:func.3">Dir</a> <font color="Maroon" title="c39">q3'''</font> &amp; <font color="Maroon" title="c37">o''''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c38">p3'''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c39">q3'''</font> <a href="anproj_1.html#NR1" title="ANPROJ_1:NR.1">is_Prop_Vect</a>  &amp; <font color="Maroon" title="c37">o''''</font>,<font color="Maroon" title="c38">p3'''</font>,<font color="Maroon" title="c39">q3'''</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a>  )
 <b>by </b><i><a class="txt" href="anproj_2.html#E4:87"><i><font color="Green" title="E81">A4</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E33:87"/><i><font color="Green" title="E100">A23</font></i>: 
<font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c23">q3'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="87_8"><b>proof </b></a><div class="add">

<a NAME="E1:87_8"/>
(  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c37">o''''</font>,<font color="Maroon" title="c12">o'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c38">p3'''</font>,<font color="Maroon" title="c20">p3'</font> &amp;  <a href="anproj_1.html#R1" title="ANPROJ_1:pred.1">are_Prop</a> <font color="Maroon" title="c39">q3'''</font>,<font color="Maroon" title="c23">q3'</font> )
 
<b>by </b><i><a class="txt" href="anproj_2.html#E6:87"><i><font color="Green" title="E82">A5</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="txt" href="anproj_2.html#E16:87"><i><font color="Green" title="E88">A11</font></i></a>, <a class="txt" href="anproj_2.html#E32:87"><i><font color="Green" title="E99">A22</font></i></a>, <a class="ref" href="anproj_1.html#T35" title="ANPROJ_1:th.35">ANPROJ_1:35</a></i>;<br/>
<b>hence </b><a NAME="E2:87_8"/>
<font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c23">q3'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E32:87"><i><font color="Green" title="E99">A22</font></i></a>, <a class="ref" href="anproj_1.html#T9" title="ANPROJ_1:th.9">ANPROJ_1:9</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<a NAME="E34:87"/><i><font color="Green" title="E101">A24</font></i>: 
<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c20">p3'</font> <a href="anproj_2.html#R1" title="ANPROJ_2:pred.1">are_Prop_Vect</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="ref" href="anproj_2.html#D1" target="_self" title="ANPROJ_2:def.1">Def1</a></i>;<br/>
<a NAME="E35:87"/><i><font color="Green" title="E102">A25</font></i>: 
<font color="Maroon" title="c16">q1'</font>,<font color="Maroon" title="c17">q2'</font>,<font color="Maroon" title="c23">q3'</font> <a href="anproj_2.html#R1" title="ANPROJ_2:pred.1">are_Prop_Vect</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E10:87"><i><font color="Green" title="E84">A7</font></i></a>, <a class="txt" href="anproj_2.html#E16:87"><i><font color="Green" title="E88">A11</font></i></a>, <a class="ref" href="anproj_2.html#D1" target="_self" title="ANPROJ_2:def.1">Def1</a></i>;<br/>
<a NAME="E36:87"/><i><font color="Green" title="E103">A26</font></i>: 
<font color="Maroon" title="c21">r1'</font>,<font color="Maroon" title="c27">r2'</font>,<font color="Maroon" title="c15">r3'</font> <a href="anproj_2.html#R1" title="ANPROJ_2:pred.1">are_Prop_Vect</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="txt" href="anproj_2.html#E19:87"><i><font color="Green" title="E90">A13</font></i></a>, <a class="ref" href="anproj_2.html#D1" target="_self" title="ANPROJ_2:def.1">Def1</a></i>;<br/>
<a NAME="E37:87"/><i><font color="Green" title="E104">A27</font></i>: 
<font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c16">q1'</font>,<font color="Maroon" title="c17">q2'</font>,<font color="Maroon" title="c23">q3'</font> <a href="anproj_2.html#R3" title="ANPROJ_2:pred.3">are_perspective</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E27:87"><i><font color="Green" title="E96">A19</font></i></a>, <a class="txt" href="anproj_2.html#E30:87"><i><font color="Green" title="E98">A21</font></i></a>, <a class="txt" href="anproj_2.html#E33:87"><i><font color="Green" title="E100">A23</font></i></a>, <a class="ref" href="anproj_2.html#D3" target="_self" title="ANPROJ_2:def.3">Def3</a></i>;<br/>
<a NAME="E38:87"/><i><font color="Green" title="E105">A28</font></i>: 
not <font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c14">p2'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E2:87"><i><font color="Green" title="E79">A2</font></i></a>, <a class="txt" href="anproj_2.html#E6:87"><i><font color="Green" title="E82">A5</font></i></a>, <a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E39:87"/><i><font color="Green" title="E106">A29</font></i>: 
not <font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c20">p3'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E2:87"><i><font color="Green" title="E79">A2</font></i></a>, <a class="txt" href="anproj_2.html#E6:87"><i><font color="Green" title="E82">A5</font></i></a>, <a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E40:87"/><i><font color="Green" title="E107">A30</font></i>: 
not <font color="Maroon" title="c12">o'</font>,<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c20">p3'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E2:87"><i><font color="Green" title="E79">A2</font></i></a>, <a class="txt" href="anproj_2.html#E6:87"><i><font color="Green" title="E82">A5</font></i></a>, <a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>;<br/>
<a NAME="E41:87"/><i><font color="Green" title="E108">A31</font></i>: 
<font color="Maroon" title="c13">p1'</font>,<font color="Maroon" title="c14">p2'</font>,<font color="Maroon" title="c20">p3'</font>,<font color="Maroon" title="c21">r1'</font>,<font color="Maroon" title="c27">r2'</font>,<font color="Maroon" title="c15">r3'</font> <a href="anproj_2.html#R2" title="ANPROJ_2:pred.2">lie_on_a_triangle</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E14:87"><i><font color="Green" title="E87">A10</font></i></a>, <a class="txt" href="anproj_2.html#E20:87"><i><font color="Green" title="E91">A14</font></i></a>, <a class="ref" href="anproj_2.html#D2" target="_self" title="ANPROJ_2:def.2">Def2</a></i>;<br/>
<a NAME="E42:87"/>
<font color="Maroon" title="c16">q1'</font>,<font color="Maroon" title="c17">q2'</font>,<font color="Maroon" title="c23">q3'</font>,<font color="Maroon" title="c21">r1'</font>,<font color="Maroon" title="c27">r2'</font>,<font color="Maroon" title="c15">r3'</font> <a href="anproj_2.html#R2" title="ANPROJ_2:pred.2">lie_on_a_triangle</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E11:87"><i><font color="Green" title="E85">A8</font></i></a>, <a class="txt" href="anproj_2.html#E17:87"><i><font color="Green" title="E89">A12</font></i></a>, <a class="txt" href="anproj_2.html#E23:87"><i><font color="Green" title="E93">A16</font></i></a>, <a class="ref" href="anproj_2.html#D2" target="_self" title="ANPROJ_2:def.2">Def2</a></i>;<br/>
<a NAME="E43:87"/><b>then </b>
<font color="Maroon" title="c21">r1'</font>,<font color="Maroon" title="c27">r2'</font>,<font color="Maroon" title="c15">r3'</font> <a href="anproj_1.html#R2" title="ANPROJ_1:pred.2">are_LinDep</a> 
 
<b>by </b><i><a class="txt" href="anproj_2.html#E6:87"><i><font color="Green" title="E82">A5</font></i></a>, <a class="txt" href="anproj_2.html#E24:87"><i><font color="Green" title="E94">A17</font></i></a>, <a class="txt" href="anproj_2.html#E34:87"><i><font color="Green" title="E101">A24</font></i></a>, <a class="txt" href="anproj_2.html#E35:87"><i><font color="Green" title="E102">A25</font></i></a>, <a class="txt" href="anproj_2.html#E36:87"><i><font color="Green" title="E103">A26</font></i></a>, <a class="txt" href="anproj_2.html#E37:87"><i><font color="Green" title="E104">A27</font></i></a>, <a class="txt" href="anproj_2.html#E38:87"><i><font color="Green" title="E105">A28</font></i></a>, <a class="txt" href="anproj_2.html#E39:87"><i><font color="Green" title="E106">A29</font></i></a>, <a class="txt" href="anproj_2.html#E40:87"><i><font color="Green" title="E107">A30</font></i></a>, <a class="txt" href="anproj_2.html#E41:87"><i><font color="Green" title="E108">A31</font></i></a>, <a class="ref" href="anproj_2.html#T8" target="_self" title="ANPROJ_2:th.8">Th8</a></i>;<br/>
<b>hence </b><a NAME="E44:87"/>
<font color="Maroon" title="c9">r1</font>,<font color="Maroon" title="c10">r2</font>,<font color="Maroon" title="c11">r3</font> <a href="collsp.html#R1" title="COLLSP:pred.1">is_collinear</a> 
 <b>by </b><i><a class="txt" href="anproj_2.html#E8:87"><i><font color="Green" title="E83">A6</font></i></a>, <a class="txt" href="anproj_2.html#E13:87"><i><font color="Green" title="E86">A9</font></i></a>, <a class="txt" href="anproj_2.html#E19:87"><i><font color="Green" title="E90">A13</font></i></a>, <a class="ref" href="anproj_2.html#T24" target="_self" title="ANPROJ_2:th.24">Th24</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div>
