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<b>let </b><font color="Maroon">X</font> be   <a href="subset_1.html#NM2">Subset</a> of <a href="numbers.html#K6">ExtREAL</a> , <font color="Maroon">Y</font> be   <a href="subset_1.html#NM2">Subset</a> of <a href="numbers.html#K6">ExtREAL</a> ;<br/>

<b>assume </b><a NAME="E1:37"/><i><font color="Green">E22</font></i>: 
<font color="Maroon">X</font> <a href="tarski.html#R1">c=</a> <font color="Maroon">Y</font>
 ;<br/>

<b>let </b><font color="Maroon">x</font> be   <a href="supinf_1.html#NM3">R_eal</a>;<br/>

<b>assume </b><a NAME="E2:37"/>
<font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="supinf_1.html#K5" target="_self">SetMinorant</a> <font color="Maroon">Y</font>
 ;<br/>

<a NAME="E3:37"/><b>then </b>
<font color="Maroon">x</font> is    <a href="supinf_1.html#M2" target="_self">minorant</a> of <font color="Maroon">Y</font>
 
<b>by </b><i><a class="txt" href="supinf_1.html#E1:37"><i><font color="Green">E22</font></i></a></i>;<br/>
<a NAME="E4:37"/><b>then </b>
<font color="Maroon">x</font> is    <a href="supinf_1.html#M2" target="_self">minorant</a> of <font color="Maroon">X</font>
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E5:37"/>
<font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="supinf_1.html#K5" target="_self">SetMinorant</a> <font color="Maroon">X</font>
 <b>by </b><i><a class="txt" href="supinf_1.html#E1:37"><i><font color="Green">E22</font></i></a></i>;<br/>


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