<?xml version="1.0"?>
<div class="add">

<b>deffunc </b><font color="Maroon">H<sub>1</sub></font>(  <a href="real_1.html#NM1">Real</a>,  <a href="real_1.html#NM1">Real</a>,  <a href="real_1.html#NM1">Real</a>) <b>-&gt; </b>   <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K1">REAL</a>  = <span class="p1">(<span class="default"><font color="Maroon">a<sub>1</sub></font> <a href="real_1.html#K4">*</a> <font color="Maroon">a<sub>2</sub></font></span>)</span> <a href="real_1.html#K3">+</a> <font color="Maroon">a<sub>3</sub></font>;<br/>
<a NAME="E1:6_1_1"/>
ex <font color="Olive">b<sub>1</sub></font> being  <a href="multop_1.html#NM1">TriOp</a> of  <a href="numbers.html#K1">REAL</a>  st <br/>for <font color="Olive">b<sub>2</sub></font>, <font color="Olive">b<sub>3</sub></font>, <font color="Olive">b<sub>4</sub></font> being  <a href="real_1.html#NM1">Real</a> holds <font color="Olive">b<sub>1</sub></font> <a href="multop_1.html#K2">.</a> <font color="Olive">b<sub>2</sub></font>,<font color="Olive">b<sub>3</sub></font>,<font color="Olive">b<sub>4</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">H<sub>1</sub></font>(<font color="Olive">b<sub>2</sub></font>,<font color="Olive">b<sub>3</sub></font>,<font color="Olive">b<sub>4</sub></font>)
 
<b>from </b><i><a class="ref" href="multop_1.html#S4">MULTOP_1:sch 4</a>();<br/></i>
<b>hence </b><a NAME="E2:6_1_1"/>
ex <font color="Olive">b<sub>1</sub></font> being  <a href="multop_1.html#NM1">TriOp</a> of  <a href="numbers.html#K1">REAL</a>  st <br/>for <font color="Olive">b<sub>2</sub></font>, <font color="Olive">b<sub>3</sub></font>, <font color="Olive">b<sub>4</sub></font> being  <a href="real_1.html#NM1">Real</a> holds <font color="Olive">b<sub>1</sub></font> <a href="multop_1.html#K2">.</a> <font color="Olive">b<sub>2</sub></font>,<font color="Olive">b<sub>3</sub></font>,<font color="Olive">b<sub>4</sub></font> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><font color="Olive">b<sub>2</sub></font> <a href="real_1.html#K4">*</a> <font color="Olive">b<sub>3</sub></font></span>)</span> <a href="real_1.html#K3">+</a> <font color="Olive">b<sub>4</sub></font>
 ;<br/>


</div>
