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<b>thus </b><a NAME="E1:6_2_2"/>
for <font color="Olive">X1</font>, <font color="Olive">X2</font> being  <a href="subset_1.html#NM2">Subset</a> of <a href="supinf_1.html#K3">REAL</a>   st ( for <font color="Olive">x</font> being  <a href="supinf_1.html#NM3">R_eal</a> holds <br/> ( <font color="Olive">x</font> <a href="hidden.html#R2">in</a> <font color="Olive">X1</font> iff <font color="Maroon">S<sub>2</sub></font>[<font color="Olive">x</font>] ) ) &amp; ( for <font color="Olive">x</font> being  <a href="supinf_1.html#NM3">R_eal</a> holds <br/> ( <font color="Olive">x</font> <a href="hidden.html#R2">in</a> <font color="Olive">X2</font> iff <font color="Maroon">S<sub>2</sub></font>[<font color="Olive">x</font>] ) ) holds <br/><font color="Olive">X1</font> <a href="hidden.html#R1">=</a> <font color="Olive">X2</font>
 <b>from </b><i><a class="ref" href="measure5.html#S1" target="_self">MEASURE5:sch 1</a>();</i><br/>


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