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<b>let </b><font color="Maroon">C</font> be  non <a href="xboole_0.html#V1">empty</a> <a href="connsp_1.html#V2">connected</a> <a href="compts_1.html#V6">compact</a> <a href="struct_0.html#NM2">Subset</a> of <a href="topmetr.html#K5">I[01]</a> ;<br/>

<b>reconsider </b><font color="Maroon">C'</font> = <font color="Maroon">C</font> as  <a href="integra1.html#V1">closed-interval</a> <a href="subset_1.html#NM2">Subset</a> of <a href="numbers.html#K1">REAL</a>  <b>by </b><i/>;<br/>
<a NAME="E2:59"/><i><font color="Green">E31</font></i>: 
<font color="Maroon">C'</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="rcomp_1.html#K1">[.</a><span class="default"><span class="p2">(<span class="default"><a href="pscomp_1.html#K3">inf</a> <font color="Maroon">C'</font></span>)</span>,<span class="p2">(<span class="default"><a href="pscomp_1.html#K2">sup</a> <font color="Maroon">C'</font></span>)</span></span><a href="rcomp_1.html#K1">.]</a></span>
 
<b>by </b><i><a class="ref" href="integra1.html#T5">INTEGRA1:5</a></i>;<br/>
<a NAME="E3:59"/>
 <a href="pscomp_1.html#K3">inf</a> <font color="Maroon">C'</font> <a href="xxreal_0.html#R1">&lt;=</a>  <a href="pscomp_1.html#K2">sup</a> <font color="Maroon">C'</font>
 
<b>by </b><i/>;<br/>
<a NAME="E4:59"/><b>then </b>
(  <a href="pscomp_1.html#K3">inf</a> <font color="Maroon">C'</font> <a href="hidden.html#R2">in</a> <font color="Maroon">C</font> &amp;  <a href="pscomp_1.html#K2">sup</a> <font color="Maroon">C'</font> <a href="hidden.html#R2">in</a> <font color="Maroon">C</font> )
 
<b>by </b><i>, <a class="ref" href="rcomp_1.html#T15">RCOMP_1:15</a></i>;<br/>
<b>then reconsider </b><font color="Maroon">p1</font> =  <a href="pscomp_1.html#K3">inf</a> <font color="Maroon">C'</font>, <font color="Maroon">p2</font> =  <a href="pscomp_1.html#K2">sup</a> <font color="Maroon">C'</font> as   <a href="pre_topc.html#NM2">Point</a> of <a href="topmetr.html#K5">I[01]</a>  ;<br/>
<b>take </b>
<font color="Maroon">p1</font>
;<br/>

<b>take </b>
<font color="Maroon">p2</font>
;<br/>

<b>thus </b><a NAME="E6:59"/>
<font color="Maroon">p1</font> <a href="xxreal_0.html#R1">&lt;=</a> <font color="Maroon">p2</font>
 <b>by </b><i/>;<br/>

<b>thus </b><a NAME="E7:59"/>
<font color="Maroon">C</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="rcomp_1.html#K1">[.</a><span class="default"><font color="Maroon">p1</font>,<font color="Maroon">p2</font></span><a href="rcomp_1.html#K1">.]</a></span>
 <b>by </b><i><a class="ref" href="integra1.html#T5">INTEGRA1:5</a></i>;<br/>


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