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<b>let </b><font color="Maroon" title="c1">H</font> be   <a href="modelc_1.html#NM1" title="MODELC_1:NM.1">CTL-formula</a>;<br/>

<b>assume </b><a NAME="E1:24"/>
<font color="Maroon" title="c1">H</font> is <a href="modelc_1.html#V5" title="MODELC_1:attr.5">ExistNext</a>
 ;<br/>

<b>then consider </b><font color="Maroon" title="c2">H1</font> being   <a href="modelc_1.html#NM1" title="MODELC_1:NM.1">CTL-formula</a><b> such that </b><br/><a NAME="E3:24"/><i><font color="Green" title="E21">A1</font></i>: 
<font color="Maroon" title="c1">H</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="modelc_1.html#K10" title="MODELC_1:func.10">EX</a> <font color="Maroon" title="c2">H1</font>
 <b>by </b><i><a class="ref" href="modelc_1.html#D17" target="_self" title="MODELC_1:def.17">Def17</a></i>;<br/>
<b>thus </b><a NAME="E4:24"/>
<font color="Maroon" title="c1">H</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> 1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 2
 <b>by </b><i><a class="txt" href="modelc_1.html#E3:24"><i><font color="Green" title="E21">A1</font></i></a>, <a class="ref" href="finseq_1.html#T58" title="FINSEQ_1:th.58">FINSEQ_1:58</a></i>;<br/>


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