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

<b>set </b><font color="Maroon">c<sub>4</sub></font> = <span class="p1">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="funct_4.html#K1">+*</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="petri.html#K7">*'</a> <span class="p4"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span></span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K7">FALSE</a> </span>)</span></span>)</span> <a href="funct_4.html#K1">+*</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><span class="p3"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span> <a href="petri.html#K8">*'</a> </span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K8">TRUE</a> </span>)</span>;<br/>
<a NAME="E1:8_1_1"/>
<font color="Maroon">c<sub>2</sub></font> <a href="funct_4.html#K1">+*</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="petri.html#K7">*'</a> <span class="p3"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span></span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K7">FALSE</a> </span>)</span> is   <a href="funct_2.html#NM1">Function</a> of the <a href="petri.html#U1">Places</a> of <font color="Maroon">c<sub>1</sub></font>, <a href="margrel1.html#K6">BOOLEAN</a> 
 
<b>by </b><i><a class="ref" href="boolmark.html#T1" target="_self">Th1</a></i>;<br/>
<a NAME="E2:8_1_1"/><b>then </b>
<span class="p1">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="funct_4.html#K1">+*</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="petri.html#K7">*'</a> <span class="p4"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span></span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K7">FALSE</a> </span>)</span></span>)</span> <a href="funct_4.html#K1">+*</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><span class="p3"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span> <a href="petri.html#K8">*'</a> </span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K8">TRUE</a> </span>)</span> is   <a href="funct_2.html#NM1">Function</a> of the <a href="petri.html#U1">Places</a> of <font color="Maroon">c<sub>1</sub></font>, <a href="margrel1.html#K6">BOOLEAN</a> 
 
<b>by </b><i><a class="ref" href="boolmark.html#T1" target="_self">Th1</a></i>;<br/>
<a NAME="E3:8_1_1"/><b>then </b>
<span class="p1">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="funct_4.html#K1">+*</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="petri.html#K7">*'</a> <span class="p4"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span></span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K7">FALSE</a> </span>)</span></span>)</span> <a href="funct_4.html#K1">+*</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><span class="p3"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span> <a href="petri.html#K8">*'</a> </span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K8">TRUE</a> </span>)</span> <a href="hidden.html#R2">in</a>  <a href="fraenkel.html#K1">Funcs</a> the <a href="petri.html#U1">Places</a> of <font color="Maroon">c<sub>1</sub></font>,<a href="margrel1.html#K6">BOOLEAN</a> 
 
<b>by </b><i><a class="ref" href="funct_2.html#T11">FUNCT_2:11</a></i>;<br/>
<b>hence </b><a NAME="E4:8_1_1"/>
<span class="p1">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="funct_4.html#K1">+*</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="petri.html#K7">*'</a> <span class="p4"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span></span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K7">FALSE</a> </span>)</span></span>)</span> <a href="funct_4.html#K1">+*</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><span class="p3"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K6">}</a></span> <a href="petri.html#K8">*'</a> </span>)</span> <a href="funcop_1.html#K2">--&gt;</a> <a href="margrel1.html#K8">TRUE</a> </span>)</span> is   <a href="boolmark.html#NM1">Boolean_marking</a> of <font color="Maroon">c<sub>1</sub></font>
 ;<br/>


</div>
