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<a NAME="E1:1_2_1"/>
 ex <font color="Olive">o</font> being  <a href="binop_1.html#NM2">BinOp</a> of  <a href="numbers.html#K1">REAL</a>  st <br/>for <font color="Olive">a</font>, <font color="Olive">b</font> being   <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a>  holds  <font color="Olive">o</font> <a href="binop_1.html#K2">.</a> <font color="Olive">a</font>,<font color="Olive">b</font> <a href="hidden.html#R1">=</a>  <a href="square_1.html#K2">max</a> <font color="Olive">a</font>,<font color="Olive">b</font>
 
<b>from </b><i><a class="ref" href="binop_1.html#S4">BINOP_1:sch 4</a>();<br/></i>
<b>hence </b><a NAME="E2:1_2_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being  <a href="binop_1.html#NM2">BinOp</a> of  <a href="numbers.html#K1">REAL</a>  st <br/>for <font color="Olive">x</font>, <font color="Olive">y</font> being  <a href="real_1.html#NM1">Real</a> holds  <font color="Olive">b<sub>1</sub></font> <a href="binop_1.html#K2">.</a> <font color="Olive">x</font>,<font color="Olive">y</font> <a href="hidden.html#R1">=</a>  <a href="square_1.html#K2">max</a> <font color="Olive">x</font>,<font color="Olive">y</font>
 ;<br/>


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