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

<b>deffunc </b><font color="Maroon">H<sub>1</sub></font>(  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>,  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>) <b>-&gt; </b>  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font> = <span class="p1"><a href="group_5.html#K2" target="_self">[.</a><span class="default"><font color="Maroon">a<sub>1</sub></font>,<font color="Maroon">a<sub>2</sub></font></span><a href="group_5.html#K2" target="_self">.]</a></span>;<br/>
<b>defpred </b><font color="Maroon">S<sub>1</sub></font>[  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>,  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>] <b>means </b>( <font color="Maroon">a<sub>1</sub></font> <a href="hidden.html#R2">in</a> <font color="Maroon">A</font> &amp; <font color="Maroon">a<sub>2</sub></font> <a href="hidden.html#R2">in</a> <font color="Maroon">B</font> );<br/>
<a NAME="E1:50_1_1"/>
<span class="p1">{<span class="default"> <font color="Maroon">H<sub>1</sub></font>(<font color="Olive">a</font>,<font color="Olive">b</font>) where <font color="Olive">a</font> is   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>, <font color="Olive">b</font> is   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font> : <font color="Maroon">S<sub>1</sub></font>[<font color="Olive">a</font>,<font color="Olive">b</font>] </span>}</span>  is   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">G</font>
 
<b>from </b><i><a class="ref" href="domain_1.html#S9">DOMAIN_1:sch 9</a>();<br/></i>
<b>hence </b><a NAME="E2:50_1_1"/>
<span class="p1">{<span class="default"> <span class="p2"><a href="group_5.html#K2" target="_self">[.</a><span class="default"><font color="Olive">a</font>,<font color="Olive">b</font></span><a href="group_5.html#K2" target="_self">.]</a></span> where <font color="Olive">a</font> is   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>, <font color="Olive">b</font> is   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font> : ( <font color="Olive">a</font> <a href="hidden.html#R2">in</a> <font color="Maroon">A</font> &amp; <font color="Olive">b</font> <a href="hidden.html#R2">in</a> <font color="Maroon">B</font> ) </span>}</span>  is   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">G</font>
 ;<br/>


</div>
