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<b>let </b><font color="Maroon">n</font> be    <a href="subset_1.html#M2">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">A</font> be   <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15">TOP-REAL</a> <font color="Maroon">n</font></span>)</span>, <font color="Maroon">B</font> be   <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15">TOP-REAL</a> <font color="Maroon">n</font></span>)</span>;<br/>



<b>assume </b><b>that </b><br/><a NAME="E1:104"/><i><font color="Green">E56</font></i>: 
not <font color="Maroon">A</font> is <a href="jordan2c.html#V1">Bounded</a>
 <b>and </b><br/><a NAME="E2:104"/><i><font color="Green">E57</font></i>: 
<font color="Maroon">B</font> is <a href="jordan2c.html#V1">Bounded</a>
 ;<br/>

<a NAME="E3:104"/><i><font color="Green">E58</font></i>: 
<font color="Maroon">A</font> <a href="subset_1.html#K9">/\</a> <font color="Maroon">B</font> is <a href="jordan2c.html#V1">Bounded</a>
 
<b>by </b><i><a class="ref" href="topreal6.html#T6" target="_self">Th6</a>, </i>;<br/>
<span class="p1">(<span class="default"><font color="Maroon">A</font> <a href="subset_1.html#K7">\</a> <font color="Maroon">B</font></span>)</span> <a href="subset_1.html#K4">\/</a> <span class="p1">(<span class="default"><font color="Maroon">A</font> <a href="subset_1.html#K9">/\</a> <font color="Maroon">B</font></span>)</span> = 
<font color="Maroon">A</font> <a href="subset_1.html#K7">\</a> <span class="p1">(<span class="default"><font color="Maroon">B</font> <a href="subset_1.html#K7">\</a> <font color="Maroon">B</font></span>)</span>
<b>by </b><i><a class="ref" href="xboole_1.html#T52">XBOOLE_1:52</a></i>
<br/>.= 
<font color="Maroon">A</font> <a href="subset_1.html#K7">\</a> <a href="xboole_0.html#K1">{}</a> 
<b>by </b><i><a class="ref" href="xboole_1.html#T37">XBOOLE_1:37</a></i>
<br/>.= 
<font color="Maroon">A</font>

;<br/>
<b>hence </b><a NAME="E5:104"/>
not <font color="Maroon">A</font> <a href="subset_1.html#K7">\</a> <font color="Maroon">B</font> is <a href="jordan2c.html#V1">Bounded</a>
 <b>by </b><i><a class="txt" href="topreal6.html#E1"><i><font color="Green">Lemma54</font></i></a>, <a class="txt" href="topreal6.html#E1:104"><i><font color="Green">E56</font></i></a>, </i>;<br/>


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