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<b>let </b><font color="Maroon" title="c1">a</font> be  <a href="xreal_0.html#V1" title="XREAL_0:attr.1">real</a>  <a href="ordinal1.html#NM1" title="ORDINAL1:NM.1">number</a> ;<br/>

<a NAME="E1:24"/>
<a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="borsuk_5.html#NK1" title="BORSUK_5:NK.1">].-infty,</a><span class="default"><font color="Maroon" title="c1">a</font></span><a href="borsuk_5.html#NK1" title="BORSUK_5:NK.1">.]</a></span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="borsuk_5.html#NK4" title="BORSUK_5:NK.4">].</a><span class="default"><font color="Maroon" title="c1">a</font></span><a href="borsuk_5.html#NK4" title="BORSUK_5:NK.4">,+infty.[</a></span>
 
<b>by </b><i><a class="txt" href="borsuk_5.html#E28"><i><font color="Green" title="E17">Lm5</font></i></a></i>;<br/>
<b>hence </b><a NAME="E2:24"/>
<span class="p1"><a href="borsuk_5.html#NK1" title="BORSUK_5:NK.1">].-infty,</a><span class="default"><font color="Maroon" title="c1">a</font></span><a href="borsuk_5.html#NK1" title="BORSUK_5:NK.1">.]</a></span> <a href="xboole_0.html#R1" title="XBOOLE_0:pred.1">misses</a> <span class="p1"><a href="borsuk_5.html#NK4" title="BORSUK_5:NK.4">].</a><span class="default"><font color="Maroon" title="c1">a</font></span><a href="borsuk_5.html#NK4" title="BORSUK_5:NK.4">,+infty.[</a></span>
 <b>by </b><i><a class="ref" href="xboole_1.html#T79" title="XBOOLE_1:th.79">XBOOLE_1:79</a></i>;<br/>


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