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<b>deffunc </b><font color="Maroon">H<sub>1</sub></font>(   <a href="hidden.html#M1">set</a> ,  <a href="funct_2.html#NM1">Function</a> of <font color="Maroon">S</font>, <a href="margrel1.html#K6">BOOLEAN</a> ,  <a href="funct_2.html#NM1">Function</a> of <font color="Maroon">S</font>, <a href="margrel1.html#K6">BOOLEAN</a> ) <b>-&gt; </b>   <a href="hidden.html#M1">set</a>  = <span class="p1">(<span class="default"><a href="modelc_1.html#K4" target="_self">Castboolean</a> <span class="p2">(<span class="default"><font color="Maroon">a<sub>2</sub></font> <a href="funct_1.html#K1">.</a> <font color="Maroon">a<sub>1</sub></font></span>)</span></span>)</span> <a href="xboolean.html#K4">'&amp;'</a> <span class="p1">(<span class="default"><a href="modelc_1.html#K4" target="_self">Castboolean</a> <span class="p2">(<span class="default"><font color="Maroon">a<sub>3</sub></font> <a href="funct_1.html#K1">.</a> <font color="Maroon">a<sub>1</sub></font></span>)</span></span>)</span>;<br/>
<b>consider </b><font color="Maroon">IT</font> being    <a href="hidden.html#M1">set</a> <b> such that </b><br/><a NAME="E2:107_1_1"/><i><font color="Green">E27</font></i>: 
<font color="Maroon">IT</font> <a href="hidden.html#R2">in</a>  <a href="modelc_1.html#K32" target="_self">ModelSP</a> <font color="Maroon">S</font>
 <b>and </b><br/><a NAME="E3:107_1_1"/><i><font color="Green">E28</font></i>: 
for <font color="Olive">s</font> being   <a href="hidden.html#M1">set</a>   st <font color="Olive">s</font> <a href="hidden.html#R2">in</a> <font color="Maroon">S</font> holds <br/>( <font color="Maroon">H<sub>1</sub></font>(<font color="Olive">s</font>, <a href="modelc_1.html#K33" target="_self">Fid</a> <font color="Maroon">f</font>,<font color="Maroon">S</font>, <a href="modelc_1.html#K33" target="_self">Fid</a> <font color="Maroon">g</font>,<font color="Maroon">S</font>) <a href="hidden.html#R1">=</a>  <a href="margrel1.html#K8">TRUE</a>  iff <span class="p1">(<span class="default"><a href="modelc_1.html#K33" target="_self">Fid</a> <font color="Maroon">IT</font>,<font color="Maroon">S</font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Olive">s</font> <a href="hidden.html#R1">=</a>  <a href="margrel1.html#K8">TRUE</a>  )
 <b>from </b><i><a class="ref" href="modelc_1.html#S6" target="_self">MODELC_1:sch 6</a>();<br/></i>
<b>take </b>
<font color="Maroon">IT</font>
;<br/>

<b>thus </b><a NAME="E4:107_1_1"/>
( <font color="Maroon">IT</font> is    <a href="subset_1.html#M1">Element</a> of  <a href="modelc_1.html#K32" target="_self">ModelSP</a> <font color="Maroon">S</font> &amp; ( for <font color="Olive">s</font> being   <a href="hidden.html#M1">set</a>   st <font color="Olive">s</font> <a href="hidden.html#R2">in</a> <font color="Maroon">S</font> holds <br/>( <span class="p1">(<span class="default"><a href="modelc_1.html#K4" target="_self">Castboolean</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="modelc_1.html#K33" target="_self">Fid</a> <font color="Maroon">f</font>,<font color="Maroon">S</font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Olive">s</font></span>)</span></span>)</span> <a href="xboolean.html#K4">'&amp;'</a> <span class="p1">(<span class="default"><a href="modelc_1.html#K4" target="_self">Castboolean</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="modelc_1.html#K33" target="_self">Fid</a> <font color="Maroon">g</font>,<font color="Maroon">S</font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Olive">s</font></span>)</span></span>)</span> <a href="hidden.html#R1">=</a>  <a href="margrel1.html#K8">TRUE</a>  iff <span class="p1">(<span class="default"><a href="modelc_1.html#K33" target="_self">Fid</a> <font color="Maroon">IT</font>,<font color="Maroon">S</font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Olive">s</font> <a href="hidden.html#R1">=</a>  <a href="margrel1.html#K8">TRUE</a>  ) ) )
 <b>by </b><i><a class="ref" href="modelc_1.html#D18" target="_self">Def18</a>, <a class="ref" href="modelc_1.html#D19" target="_self">Def19</a></i>;<br/>


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