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<b>defpred </b><font color="Maroon">S<sub>1</sub></font>[  <a href="ami_1.html#NM1">Object</a> of <font color="Maroon">A</font>] <b>means </b> ex <font color="Olive">s</font> being  <a href="ami_1.html#NM4">State</a> of <font color="Maroon">A</font> ex <font color="Olive">a</font> being   <a href="subset_1.html#M1">Element</a> of  <a href="ami_1.html#K3">ObjectKind</a> <font color="Maroon">a<sub>1</sub></font> st  <a href="ami_1.html#K4">Exec</a> <font color="Maroon">I</font>,<span class="p1">(<span class="default"><font color="Olive">s</font> <a href="ami_7.html#K1" target="_self">+*</a> <font color="Maroon">a<sub>1</sub></font>,<font color="Olive">a</font></span>)</span> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <span class="p1">(<span class="default"><a href="ami_1.html#K4">Exec</a> <font color="Maroon">I</font>,<font color="Olive">s</font></span>)</span> <a href="ami_7.html#K1" target="_self">+*</a> <font color="Maroon">a<sub>1</sub></font>,<font color="Olive">a</font>;<br/>
<b>thus </b><a NAME="E1:18_2_2"/>
for <font color="Olive">a</font>, <font color="Olive">b</font> being  <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">A</font>  st ( for <font color="Olive">o</font> being  <a href="ami_1.html#NM1">Object</a> of <font color="Maroon">A</font> holds <br/> ( <font color="Olive">o</font> <a href="hidden.html#R2">in</a> <font color="Olive">a</font> iff <font color="Maroon">S<sub>1</sub></font>[<font color="Olive">o</font>] ) ) &amp; ( for <font color="Olive">o</font> being  <a href="ami_1.html#NM1">Object</a> of <font color="Maroon">A</font> holds <br/> ( <font color="Olive">o</font> <a href="hidden.html#R2">in</a> <font color="Olive">b</font> iff <font color="Maroon">S<sub>1</sub></font>[<font color="Olive">o</font>] ) ) holds <br/><font color="Olive">a</font> <a href="hidden.html#R1">=</a> <font color="Olive">b</font>
 <b>from </b><i><a class="ref" href="subset_1.html#S2">SUBSET_1:sch 2</a>();</i><br/>


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