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<b>deffunc </b><font color="Maroon">H<sub>1</sub></font>(  <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a>,  <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a>,  <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a>) <b>-&gt; </b>   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  = <span class="p1">(<span class="default">$1 <a href="real_1.html#K4" title="REAL_1:func.4">*</a> $2</span>)</span> <a href="real_1.html#K3" title="REAL_1:func.3">+</a> $3;<br/>
<a NAME="E1:5_1_1"/>
 ex <font color="Olive" title="b1">X</font> being  <a href="multop_1.html#NM1" title="MULTOP_1:NM.1">TriOp</a> of  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  st <br/>for <font color="Olive" title="b2">a</font>, <font color="Olive" title="b3">b</font>, <font color="Olive" title="b4">c</font> being  <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a> holds  <font color="Olive" title="b1">X</font> <a href="multop_1.html#K2" title="MULTOP_1:func.2">.</a> <font color="Olive" title="b2">a</font>,<font color="Olive" title="b3">b</font>,<font color="Olive" title="b4">c</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon">H<sub>1</sub></font>(<font color="Olive" title="b2">a</font>,<font color="Olive" title="b3">b</font>,<font color="Olive" title="b4">c</font>)
 
<b>from </b><i><a class="ref" href="multop_1.html#S4" title="MULTOP_1:sch.4">MULTOP_1:sch 4</a>();<br/></i>
<b>hence </b><a NAME="E2:5_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being  <a href="multop_1.html#NM1" title="MULTOP_1:NM.1">TriOp</a> of  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  st <br/>for <font color="Olive" title="b2">a</font>, <font color="Olive" title="b3">b</font>, <font color="Olive" title="b4">c</font> being  <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a> holds  <font color="Olive">b<sub>1</sub></font> <a href="multop_1.html#K2" title="MULTOP_1:func.2">.</a> <font color="Olive" title="b2">a</font>,<font color="Olive" title="b3">b</font>,<font color="Olive" title="b4">c</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><font color="Olive" title="b2">a</font> <a href="real_1.html#K4" title="REAL_1:func.4">*</a> <font color="Olive" title="b3">b</font></span>)</span> <a href="real_1.html#K3" title="REAL_1:func.3">+</a> <font color="Olive" title="b4">c</font>
 ;<br/>


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