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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be   <a href="nat_1.html#NM1">Nat</a>;<br/>





<a NAME="E1:7"/>
<span class="p1"><a href="domain_1.html#K8">{</a><span class="default"><font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K8">}</a></span> <a href="hidden.html#R1">=</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>1</sub></font></span><a href="domain_1.html#K6">}</a></span> <a href="subset_1.html#K4">\/</a> <span class="p1"><a href="domain_1.html#K7">{</a><span class="default"><font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K7">}</a></span>
 
<b>by </b><i><a class="ref" href="enumset1.html#T42">ENUMSET1:42</a></i>;<br/>
<a NAME="E2:7"/><b>then </b>
(  <a href="cqc_sim1.html#K10">min</a> <span class="p1"><a href="domain_1.html#K8">{</a><span class="default"><font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K8">}</a></span> <a href="hidden.html#R1">=</a>  <a href="square_1.html#K1">min</a> <span class="p1">(<span class="default"><a href="cqc_sim1.html#K10">min</a> <span class="p2"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>1</sub></font></span><a href="domain_1.html#K6">}</a></span></span>)</span>,<span class="p1">(<span class="default"><a href="cqc_sim1.html#K10">min</a> <span class="p2"><a href="domain_1.html#K7">{</a><span class="default"><font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K7">}</a></span></span>)</span> &amp;  <a href="cqc_sim1.html#K10">min</a> <span class="p1"><a href="domain_1.html#K7">{</a><span class="default"><font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K7">}</a></span> <a href="hidden.html#R1">=</a>  <a href="square_1.html#K1">min</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font> &amp;  <a href="cqc_sim1.html#K10">min</a> <span class="p1"><a href="domain_1.html#K8">{</a><span class="default"><font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K8">}</a></span> <a href="hidden.html#R1">=</a>  <a href="henmodel.html#K1">min*</a> <span class="p1"><a href="domain_1.html#K8">{</a><span class="default"><font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K8">}</a></span> )
 
<b>by </b><i><a class="ref" href="stirl2_1.html#T1" target="_self">Th1</a>, <a class="ref" href="stirl2_1.html#T2" target="_self">Th2</a>, <a class="ref" href="stirl2_1.html#T6" target="_self">Th6</a></i>;<br/>
<b>hence </b><a NAME="E3:7"/>
 <a href="henmodel.html#K1">min*</a> <span class="p1"><a href="domain_1.html#K8">{</a><span class="default"><font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span><a href="domain_1.html#K8">}</a></span> <a href="hidden.html#R1">=</a>  <a href="square_1.html#K1">min</a> <font color="Maroon">c<sub>1</sub></font>,<span class="p1">(<span class="default"><a href="square_1.html#K1">min</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span>)</span>
 <b>by </b><i><a class="ref" href="stirl2_1.html#T5" target="_self">Th5</a></i>;<br/>


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