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<a NAME="E1:9"/>
 <a href="numbers.html#K1">REAL</a>  <a href="tarski.html#R1">c=</a>  <a href="numbers.html#K1">REAL</a> 
 
;<br/>
<b>then reconsider </b><font color="Maroon">c<sub>3</sub></font> =  <a href="numbers.html#K1">REAL</a>  as   <a href="subset_1.html#NM2">Subset</a> of <a href="numbers.html#K1">REAL</a>  ;<br/>
<a NAME="E3:9"/>
<font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="prob_1.html#K14">Borel_Sets</a> 
 
<b>by </b><i><a class="ref" href="prob_1.html#T43">PROB_1:43</a></i>;<br/>
<b>hence </b><a NAME="E4:9"/>
<font color="Maroon">c<sub>2</sub></font> <a href="funct_1.html#K1">.</a> <a href="numbers.html#K1">REAL</a>  <a href="hidden.html#R1">=</a> 1
 <b>by </b><i><a class="txt" href="qmax_1.html#E7"><i><font color="Green">Lemma2</font></i></a></i>;<br/>


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