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<b>let </b><font color="Maroon" title="c1">x</font> be   <a href="supinf_1.html#NM3" title="SUPINF_1:NM.3">R_eal</a>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> (  <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c1">x</font> implies <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font> )</span><br/>

<b>assume </b><a NAME="E1:22"/><i><font color="Green" title="E16">A1</font></i>: 
 <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c1">x</font>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font></span><br/>

<a NAME="E2:22"/><i><font color="Green" title="E17">A2</font></i>: 
( <font color="Maroon" title="c1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  or <font color="Maroon" title="c1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <span class="p1"><a href="domain_1.html#K7" title="DOMAIN_1:func.7">{</a><span class="default"><a href="supinf_1.html#K2" title="SUPINF_1:func.2">-infty</a> ,<a href="supinf_1.html#K1" title="SUPINF_1:func.1">+infty</a> </span><a href="domain_1.html#K7" title="DOMAIN_1:func.7">}</a></span> )
 
<b>by </b><i><a class="ref" href="xboole_0.html#D3" title="XBOOLE_0:def.3">XBOOLE_0:def 3</a>, <a class="ref" href="xxreal_0.html#D4" title="XXREAL_0:def.4">XXREAL_0:def 4</a></i>;<br/>
<div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="22_1"><b>per </b></a><a class="txt" onclick="hs(this)" href="javascript:()"><b>cases </b></a><span class="hide"><a NAME="E1:22_1"/>
( <font color="Maroon" title="c1">x</font> is   <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a> or <font color="Maroon" title="c1">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="supinf_1.html#K1" title="SUPINF_1:func.1">+infty</a>  )
 </span><b>by </b><i><a class="txt" href="#E1:22"><i><font color="Green" title="E16">A1</font></i></a>, <a class="txt" href="#E2:22"><i><font color="Green" title="E17">A2</font></i></a>, <a class="ref" href="supinf_2.html#T19" title="SUPINF_2:th.19">SUPINF_2:19</a>, <a class="ref" href="tarski.html#D2" title="TARSKI:def.2">TARSKI:def 2</a></i>;<br/><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="22_1_1"><b>suppose </b></a><a NAME="E1:22_1_1"/><i><font color="Green" title="E18">A3</font></i>: 
<font color="Maroon" title="c1">x</font> is   <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font></span><br/><div class="add"><b>assume </b><a NAME="E2:22_1_1"/>
not <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> contradiction</span><br/><b>then consider </b><font color="Maroon" title="c2">eps</font> being   <a href="supinf_1.html#NM3" title="SUPINF_1:NM.3">R_eal</a><b> such that </b><br/><a NAME="E4:22_1_1"/><i><font color="Green" title="E19">A4</font></i>: 
(  <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c2">eps</font> &amp; <font color="Maroon" title="c1">x</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c2">eps</font> <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> &amp; <font color="Maroon" title="c2">eps</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  )
 <b>by </b><i><a class="txt" href="#E1:22"><i><font color="Green" title="E16">A1</font></i></a>, <a class="ref" href="measure6.html#T24" target="_self" title="MEASURE6:th.24">Th24</a></i>;<br/><b>consider </b><font color="Maroon" title="c3">eps0</font> being   <a href="supinf_1.html#NM3" title="SUPINF_1:NM.3">R_eal</a><b> such that </b><br/><a NAME="E6:22_1_1"/><i><font color="Green" title="E20">A5</font></i>: 
(  <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c3">eps0</font> &amp; <font color="Maroon" title="c3">eps0</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font> <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c2">eps</font> )
 <b>by </b><i><a class="txt" href="#E4:22_1_1"><i><font color="Green" title="E19">A4</font></i></a>, <a class="ref" href="measure6.html#T26" target="_self" title="MEASURE6:th.26">Th26</a></i>;<br/><a NAME="E7:22_1_1"/><i><font color="Green" title="E21">A6</font></i>: 
<font color="Maroon" title="c1">x</font> <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a>  <a href="supinf_1.html#K1" title="SUPINF_1:func.1">+infty</a> 
 <b>by </b><i><a class="txt" href="#E1:22_1_1"><i><font color="Green" title="E18">A3</font></i></a>, <a class="ref" href="xxreal_0.html#T4" title="XXREAL_0:th.4">XXREAL_0:4</a></i>;<br/><a NAME="E8:22_1_1"/><i><font color="Green" title="E22">A7</font></i>: 
(  <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c3">eps0</font> &amp; <font color="Maroon" title="c3">eps0</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c2">eps</font> &amp; <font color="Maroon" title="c2">eps</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  )
 <b>by </b><i><a class="txt" href="#E4:22_1_1"><i><font color="Green" title="E19">A4</font></i></a>, <a class="txt" href="#E6:22_1_1"><i><font color="Green" title="E20">A5</font></i></a>, <a class="ref" href="measure6.html#T22" target="_self" title="MEASURE6:th.22">Th22</a></i>;<br/><a NAME="E9:22_1_1"/><b>then </b><i><font color="Green" title="E23">A8</font></i>: 
<font color="Maroon" title="c3">eps0</font> is   <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a>
 <b>by </b><i><a class="ref" href="xxreal_0.html#T47" title="XXREAL_0:th.47">XXREAL_0:47</a></i>;<br/><b>reconsider </b><font color="Maroon" title="c4">a</font> =  <a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font>, <font color="Maroon" title="c5">b</font> = <font color="Maroon" title="c3">eps0</font> as   <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a> <b>by </b><i><a class="txt" href="#E1:22"><i><font color="Green" title="E16">A1</font></i></a>, <a class="txt" href="#E7:22_1_1"><i><font color="Green" title="E21">A6</font></i></a>, <a class="txt" href="#E8:22_1_1"><i><font color="Green" title="E22">A7</font></i></a>, <a class="ref" href="measure6.html#T29" target="_self" title="MEASURE6:th.29">Th29</a>, <a class="ref" href="xxreal_0.html#T47" title="XXREAL_0:th.47">XXREAL_0:47</a></i>;<br/><a NAME="E11:22_1_1"/><i><font color="Green" title="E24">A9</font></i>: 
<span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">a</font> <a href="real_1.html#K9" title="REAL_1:func.9">-</a> <font color="Maroon" title="c5">b</font>
 <b>by </b><i><a class="ref" href="supinf_2.html#T5" title="SUPINF_2:th.5">SUPINF_2:5</a></i>;<br/><a NAME="E12:22_1_1"/>
<font color="Maroon" title="c4">a</font> <a href="real_1.html#K7" title="REAL_1:func.7">+</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a>  <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c4">a</font> <a href="real_1.html#K7" title="REAL_1:func.7">+</a> <font color="Maroon" title="c5">b</font>
 <b>by </b><i><a class="txt" href="#E6:22_1_1"><i><font color="Green" title="E20">A5</font></i></a>, <a class="ref" href="xreal_1.html#T9" title="XREAL_1:th.9">XREAL_1:9</a></i>;<br/><a NAME="E13:22_1_1"/><b>then </b><i><font color="Green" title="E25">A10</font></i>: 
<span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a>  <a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font>
 <b>by </b><i><a class="txt" href="#E11:22_1_1"><i><font color="Green" title="E24">A9</font></i></a>, <a class="ref" href="xreal_1.html#T22" title="XREAL_1:th.22">XREAL_1:22</a></i>;<br/><a NAME="E14:22_1_1"/><i><font color="Green" title="E26">A11</font></i>: 
<font color="Maroon" title="c4">a</font> <a href="real_1.html#K9" title="REAL_1:func.9">-</a> <font color="Maroon" title="c5">b</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c4">a</font>
 <b>by </b><i><a class="txt" href="#E6:22_1_1"><i><font color="Green" title="E20">A5</font></i></a></i>;<br/><a NAME="E15:22_1_1"/>
 ex <font color="Olive" title="b1">y</font> being <a href="xxreal_0.html#V1" title="XXREAL_0:attr.1">ext-real</a>  <a href="ordinal1.html#NM1" title="ORDINAL1:NM.1">number</a>  st <br/>( <font color="Olive" title="b1">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="measure6.html#K2" title="MEASURE6:func.2">Seg</a> <font color="Maroon" title="c1">x</font> &amp; not <font color="Olive" title="b1">y</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font> )
 <div><a class="txt" onclick="hs2(this)" href="javascript:()" title="22_1_1_1"><b>proof </b></a><div class="add">

<b>assume </b><a NAME="E1:22_1_1_1"/>
for <font color="Olive" title="b1">y</font> being <a href="xxreal_0.html#V1" title="XXREAL_0:attr.1">ext-real</a>  <a href="ordinal1.html#NM1" title="ORDINAL1:NM.1">number</a>   st <font color="Olive" title="b1">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="measure6.html#K2" title="MEASURE6:func.2">Seg</a> <font color="Maroon" title="c1">x</font> holds <br/><font color="Olive" title="b1">y</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> contradiction</span><br/>

<a NAME="E2:22_1_1_1"/><b>then </b>
<span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font> is    <a href="xxreal_2.html#M1" title="XXREAL_2:mode.1">UpperBound</a> of  <a href="measure6.html#K2" title="MEASURE6:func.2">Seg</a> <font color="Maroon" title="c1">x</font>
 
<b>by </b><i><a class="ref" href="xxreal_2.html#D1" title="XXREAL_2:def.1">XXREAL_2:def 1</a></i>;<br/>
<a NAME="E3:22_1_1_1"/><b>then </b>
 <a href="supinf_2.html#K8" title="SUPINF_2:func.8">sup</a> <span class="p1">(<span class="default"><a href="measure6.html#K2" title="MEASURE6:func.2">Seg</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font>
 
<b>by </b><i><a class="ref" href="xxreal_2.html#D3" title="XXREAL_2:def.3">XXREAL_2:def 3</a></i>;<br/>
<b>hence </b><a NAME="E4:22_1_1_1"/>
contradiction
 <b>by </b><i><a class="txt" href="#E11:22_1_1"><i><font color="Green" title="E24">A9</font></i></a>, <a class="txt" href="#E13:22_1_1"><i><font color="Green" title="E25">A10</font></i></a>, <a class="txt" href="#E14:22_1_1"><i><font color="Green" title="E26">A11</font></i></a>, <a class="ref" href="xxreal_0.html#T1" title="XXREAL_0:th.1">XXREAL_0:1</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>then consider </b><font color="Maroon" title="c6">y</font> being   <a href="supinf_1.html#NM3" title="SUPINF_1:NM.3">R_eal</a><b> such that </b><br/><a NAME="E17:22_1_1"/><i><font color="Green" title="E27">A12</font></i>: 
( <font color="Maroon" title="c6">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="measure6.html#K2" title="MEASURE6:func.2">Seg</a> <font color="Maroon" title="c1">x</font> &amp; <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c6">y</font> )
 ;<br/><a NAME="E18:22_1_1"/><i><font color="Green" title="E28">A13</font></i>: 
(  <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c6">y</font> &amp; <font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c6">y</font> <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c1">x</font> &amp; <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c6">y</font> )
 <b>by </b><i><a class="txt" href="#E1:22"><i><font color="Green" title="E16">A1</font></i></a>, <a class="txt" href="#E17:22_1_1"><i><font color="Green" title="E27">A12</font></i></a>, <a class="ref" href="measure6.html#D2" target="_self" title="MEASURE6:def.2">Def2</a></i>;<br/><a NAME="E19:22_1_1"/>
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K4" title="SUPINF_2:func.4">-</a> <font color="Maroon" title="c3">eps0</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font>
 <b>by </b><i><a class="txt" href="#E9:22_1_1"><i><font color="Green" title="E23">A8</font></i></a>, <a class="txt" href="#E17:22_1_1"><i><font color="Green" title="E27">A12</font></i></a>, <a class="ref" href="measure6.html#T11" target="_self" title="MEASURE6:th.11">Th11</a></i>;<br/><a NAME="E20:22_1_1"/><b>then </b><i><font color="Green" title="E29">A14</font></i>: 
 <a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font>
 <b>by </b><i><a class="txt" href="#E9:22_1_1"><i><font color="Green" title="E23">A8</font></i></a>, <a class="ref" href="measure6.html#T8" target="_self" title="MEASURE6:th.8">Th8</a></i>;<br/><a NAME="E21:22_1_1"/>
 <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a>  <a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font>
 <b>by </b><i><a class="txt" href="#E1:22"><i><font color="Green" title="E16">A1</font></i></a>, <a class="ref" href="measure6.html#T27" target="_self" title="MEASURE6:th.27">Th27</a></i>;<br/><a NAME="E22:22_1_1"/><b>then </b><i><font color="Green" title="E30">A15</font></i>: 
<span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <span class="p1">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span>
 <b>by </b><i><a class="txt" href="#E20:22_1_1"><i><font color="Green" title="E29">A14</font></i></a>, <a class="ref" href="measure1.html#T4" title="MEASURE1:th.4">MEASURE1:4</a></i>;<br/><a NAME="E23:22_1_1"/><i><font color="Green" title="E31">A16</font></i>: 
(  <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c6">y</font> &amp;  <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c3">eps0</font> )
 <b>by </b><i><a class="txt" href="#E1:22"><i><font color="Green" title="E16">A1</font></i></a>, <a class="txt" href="#E6:22_1_1"><i><font color="Green" title="E20">A5</font></i></a>, <a class="txt" href="#E17:22_1_1"><i><font color="Green" title="E27">A12</font></i></a>, <a class="ref" href="measure6.html#D2" target="_self" title="MEASURE6:def.2">Def2</a></i>;<br/><a NAME="E24:22_1_1"/><b>then </b><i><font color="Green" title="E32">A17</font></i>: 
<a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font>
 <b>by </b><i><a class="ref" href="measure1.html#T4" title="MEASURE1:th.4">MEASURE1:4</a></i>;<br/><a NAME="E25:22_1_1"/><i><font color="Green" title="E33">A18</font></i>: 
<a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a> 
 <b>by </b><i><a class="ref" href="supinf_2.html#T18" title="SUPINF_2:th.18">SUPINF_2:18</a></i>;<br/><a NAME="E26:22_1_1"/><b>then </b><i><font color="Green" title="E34">A19</font></i>: 
 <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c6">y</font>
 <b>by </b><i><a class="txt" href="#E23:22_1_1"><i><font color="Green" title="E31">A16</font></i></a>, <a class="ref" href="measure1.html#T4" title="MEASURE1:th.4">MEASURE1:4</a></i>;<br/><a NAME="E27:22_1_1"/><i><font color="Green" title="E35">A20</font></i>: 
 <a href="supinf_2.html#K1" title="SUPINF_2:func.1">0.</a>  <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c3">eps0</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font>
 <b>by </b><i><a class="txt" href="#E6:22_1_1"><i><font color="Green" title="E20">A5</font></i></a>, <a class="txt" href="#E25:22_1_1"><i><font color="Green" title="E33">A18</font></i></a>, <a class="ref" href="measure1.html#T4" title="MEASURE1:th.4">MEASURE1:4</a></i>;<br/><span class="p1">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span> = 
<font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">eps0</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p2">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span></span>)</span>
<b>by </b><i><a class="txt" href="#E23:22_1_1"><i><font color="Green" title="E31">A16</font></i></a>, <a class="txt" href="#E24:22_1_1"><i><font color="Green" title="E32">A17</font></i></a>, <a class="txt" href="#E25:22_1_1"><i><font color="Green" title="E33">A18</font></i></a>, <a class="ref" href="measure4.html#T1" title="MEASURE4:th.1">MEASURE4:1</a></i>
<br/>.= 
<font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">eps0</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span></span>)</span>
<b>by </b><i><a class="txt" href="#E23:22_1_1"><i><font color="Green" title="E31">A16</font></i></a>, <a class="ref" href="measure4.html#T1" title="MEASURE4:th.1">MEASURE4:1</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c6">y</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">eps0</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span>
<b>by </b><i><a class="txt" href="#E23:22_1_1"><i><font color="Green" title="E31">A16</font></i></a>, <a class="txt" href="#E27:22_1_1"><i><font color="Green" title="E35">A20</font></i></a>, <a class="ref" href="measure4.html#T1" title="MEASURE4:th.1">MEASURE4:1</a></i>
;<br/><a NAME="E29:22_1_1"/><b>then </b>
<span class="p1">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><font color="Maroon" title="c6">y</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c3">eps0</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c2">eps</font>
 <b>by </b><i><a class="txt" href="#E6:22_1_1"><i><font color="Green" title="E20">A5</font></i></a>, <a class="txt" href="#E18:22_1_1"><i><font color="Green" title="E28">A13</font></i></a>, <a class="txt" href="#E26:22_1_1"><i><font color="Green" title="E34">A19</font></i></a>, <a class="txt" href="#E27:22_1_1"><i><font color="Green" title="E35">A20</font></i></a>, <a class="ref" href="measure1.html#T4" title="MEASURE1:th.4">MEASURE1:4</a></i>;<br/><b>hence </b><a NAME="E30:22_1_1"/>
contradiction
 <b>by </b><i><a class="txt" href="#E4:22_1_1"><i><font color="Green" title="E19">A4</font></i></a>, <a class="txt" href="#E22:22_1_1"><i><font color="Green" title="E30">A15</font></i></a>, <a class="ref" href="xxreal_0.html#T2" title="XXREAL_0:th.2">XXREAL_0:2</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><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="22_1_2"><b>suppose </b></a><a NAME="E1:22_1_2"/><i><font color="Green" title="E18">A21</font></i>: 
<font color="Maroon" title="c1">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="supinf_1.html#K1" title="SUPINF_1:func.1">+infty</a> 
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font></span><br/><div class="add"><a NAME="E2:22_1_2"/><i><font color="Green" title="E19">A22</font></i>: 
 <a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font>
 <b>by </b><i><a class="txt" href="#E1:22"><i><font color="Green" title="E16">A1</font></i></a>, <a class="ref" href="measure6.html#T28" target="_self" title="MEASURE6:th.28">Th28</a></i>;<br/><a NAME="E3:22_1_2"/>
<span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <font color="Maroon" title="c1">x</font>
 <b>by </b><i><a class="txt" href="#E2:22_1_2"><i><font color="Green" title="E19">A22</font></i></a>, <a class="ref" href="supinf_2.html#T14" title="SUPINF_2:th.14">SUPINF_2:14</a></i>;<br/><b>hence </b><a NAME="E4:22_1_2"/>
<span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="supinf_2.html#K2" title="SUPINF_2:func.2">+</a> <span class="p1">(<span class="default"><a href="measure6.html#K3" title="MEASURE6:func.3">len</a> <font color="Maroon" title="c1">x</font></span>)</span> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c1">x</font>
 <b>by </b><i><a class="txt" href="#E1:22_1_2"><i><font color="Green" title="E18">A21</font></i></a>, <a class="ref" href="supinf_2.html#D2" title="SUPINF_2:def.2">SUPINF_2:def 2</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></div><b>end;</b></div>

</div>
