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<b>let </b><font color="Maroon">A</font> be   <a href="measure5.html#NM1">Interval</a>;<br/>

<b>assume </b><a NAME="E1:46"/><i><font color="Green">E18</font></i>: 
( <font color="Maroon">A</font> is <a href="measure5.html#V1">open_interval</a> &amp; <font color="Maroon">A</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="measure5.html#K6">{}</a>  )
 ;<br/>

<b>then consider </b><font color="Maroon">a</font> being   <a href="supinf_1.html#NM3">R_eal</a>, <font color="Maroon">b</font> being   <a href="supinf_1.html#NM3">R_eal</a><b> such that </b><br/><a NAME="E3:46"/><i><font color="Green">E19</font></i>: 
( <font color="Maroon">a</font> <a href="xxreal_0.html#R1">&lt;=</a> <font color="Maroon">b</font> &amp; <font color="Maroon">A</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="measure5.html#K2">].</a><span class="default"><font color="Maroon">a</font>,<font color="Maroon">b</font></span><a href="measure5.html#K2">.[</a></span> )
 <b>by </b><i><a class="ref" href="measure5.html#D5">MEASURE5:def 5</a></i>;<br/>
<a NAME="E4:46"/>
<font color="Maroon">A</font> <a href="measure6.html#K5" target="_self">^^</a>  <a href="hidden.html#R1">=</a> <font color="Maroon">b</font>
 
<b>by </b><i>, , </i>;<br/>
<b>hence </b><a NAME="E5:46"/>
(  <a href="measure6.html#K4" target="_self">^^</a> <font color="Maroon">A</font> <a href="xxreal_0.html#R1">&lt;=</a> <font color="Maroon">A</font> <a href="measure6.html#K5" target="_self">^^</a>  &amp; <font color="Maroon">A</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="measure5.html#K2">].</a><span class="default"><span class="p2">(<span class="default"><a href="measure6.html#K4" target="_self">^^</a> <font color="Maroon">A</font></span>)</span>,<span class="p2">(<span class="default"><font color="Maroon">A</font> <a href="measure6.html#K5" target="_self">^^</a> </span>)</span></span><a href="measure5.html#K2">.[</a></span> )
 <b>by </b><i>, , <a class="ref" href="measure6.html#T10" target="_self">Th10</a></i>;<br/>


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