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<b>let </b><font color="Maroon" title="c1">n</font> be    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> ;<br/><b>let </b><font color="Maroon" title="c2">A</font>, <font color="Maroon" title="c3">B</font> be  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> <a href="compts_1.html#V6" title="COMPTS_1:attr.6">compact</a> <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15" title="EUCLID:func.15">TOP-REAL</a> <font color="Maroon" title="c1">n</font></span>)</span>;<br/>



<b>assume </b><a NAME="E1:12"/><i><font color="Green" title="E8">A1</font></i>: 
<font color="Maroon" title="c2">A</font> <a href="subset_1.html#R1" title="SUBSET_1:pred.1">misses</a> <font color="Maroon" title="c3">B</font>
 ;<br/>

<b>consider </b><font color="Maroon" title="c4">A'</font>, <font color="Maroon" title="c5">B'</font> being   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><a href="pcomps_1.html#K4" title="PCOMPS_1:func.4">TopSpaceMetr</a> <span class="p2">(<span class="default"><a href="euclid.html#K14" title="EUCLID:func.14">Euclid</a> <font color="Maroon" title="c1">n</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E3:12"/><i><font color="Green" title="E9">A2</font></i>: 
( <font color="Maroon" title="c2">A</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">A'</font> &amp; <font color="Maroon" title="c3">B</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c5">B'</font> )
 <b>and </b><br/><a NAME="E4:12"/><i><font color="Green" title="E10">A3</font></i>: 
 <a href="jordan1k.html#K4" title="JORDAN1K:func.4">dist_min</a> <font color="Maroon" title="c2">A</font>,<font color="Maroon" title="c3">B</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="weierstr.html#K9" title="WEIERSTR:func.9">min_dist_min</a> <font color="Maroon" title="c4">A'</font>,<font color="Maroon" title="c5">B'</font>
 <b>by </b><i><a class="ref" href="jordan1k.html#D1" title="JORDAN1K:def.1">JORDAN1K:def 1</a></i>;<br/>
<b>thus </b><a NAME="E5:12"/>
 <a href="jordan1k.html#K4" title="JORDAN1K:func.4">dist_min</a> <font color="Maroon" title="c2">A</font>,<font color="Maroon" title="c3">B</font> <a href="xxreal_0.html#NR4" title="XXREAL_0:NR.4">&gt;</a> 0
 <b>by </b><i><a class="txt" href="jordan_a.html#E1:12"><i><font color="Green" title="E8">A1</font></i></a>, <a class="txt" href="jordan_a.html#E3:12"><i><font color="Green" title="E9">A2</font></i></a>, <a class="txt" href="jordan_a.html#E4:12"><i><font color="Green" title="E10">A3</font></i></a>, <a class="ref" href="jgraph_1.html#T55" title="JGRAPH_1:th.55">JGRAPH_1:55</a></i>;<br/>


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