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

<b>deffunc </b><font color="Maroon">H<sub>4</sub></font>(   <a href="subset_1.html#M1">Element</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><span class="p2">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D1</font></span>)</span>,<span class="p2">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D2</font></span>)</span></span><a href="zfmisc_1.html#K2">:]</a></span>) <b>-&gt; </b>   <a href="subset_1.html#M1">Element</a> of  <a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D</font> = <font color="Maroon">f</font> <a href="relset_1.html#K10">.:</a> <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">a<sub>1</sub></font> <a href="domain_1.html#K2">`1</a> </span>)</span>,<span class="p2">(<span class="default"><font color="Maroon">a<sub>1</sub></font> <a href="domain_1.html#K3">`2</a> </span>)</span></span><a href="zfmisc_1.html#K2">:]</a></span>;<br/>
<a NAME="E1:72_1_1"/>
 ex <font color="Olive">f</font> being  <a href="monoid_1.html#NM1">Function</a> of <span class="p1">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D1</font></span>)</span>,<span class="p1">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D2</font></span>)</span>, <a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D</font> st <br/>for <font color="Olive">x</font> being   <a href="subset_1.html#M1">Element</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><span class="p2">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D1</font></span>)</span>,<span class="p2">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D2</font></span>)</span></span><a href="zfmisc_1.html#K2">:]</a></span> holds  <font color="Olive">f</font> <a href="funct_2.html#K3">.</a> <font color="Olive">x</font> <a href="hidden.html#R1">=</a> <font color="Maroon">H<sub>4</sub></font>(<font color="Olive">x</font>)
 
<b>from </b><i><a class="ref" href="funct_2.html#S4">FUNCT_2:sch 4</a>();<br/></i>
<b>hence </b><a NAME="E2:72_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being  <a href="monoid_1.html#NM1">Function</a> of <span class="p1">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D1</font></span>)</span>,<span class="p1">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D2</font></span>)</span>, <a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D</font> st <br/>for <font color="Olive">x</font> being   <a href="subset_1.html#M1">Element</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><span class="p2">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D1</font></span>)</span>,<span class="p2">(<span class="default"><a href="zfmisc_1.html#K1">bool</a> <font color="Maroon">D2</font></span>)</span></span><a href="zfmisc_1.html#K2">:]</a></span> holds  <font color="Olive">b<sub>1</sub></font> <a href="funct_2.html#K3">.</a> <font color="Olive">x</font> <a href="hidden.html#R1">=</a> <font color="Maroon">f</font> <a href="relset_1.html#K10">.:</a> <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><span class="p2">(<span class="default"><font color="Olive">x</font> <a href="domain_1.html#K2">`1</a> </span>)</span>,<span class="p2">(<span class="default"><font color="Olive">x</font> <a href="domain_1.html#K3">`2</a> </span>)</span></span><a href="zfmisc_1.html#K2">:]</a></span>
 ;<br/>


</div>
