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<b>consider </b><font color="Maroon">x</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="modelc_1.html#K13" target="_self">CTL_WFF</a> ;<br/>
<b>reconsider </b><font color="Maroon">x</font> = <font color="Maroon">x</font> as    <a href="finseq_1.html#M2">FinSequence</a> of  <a href="numbers.html#K5">NAT</a>  <b>by </b><i/>;<br/>
<b>take </b>
<font color="Maroon">x</font>
;<br/>

<b>thus </b><a NAME="E3:14_1_1"/>
<font color="Maroon">x</font> is    <a href="subset_1.html#M1">Element</a> of  <a href="modelc_1.html#K13" target="_self">CTL_WFF</a> 
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="modelc_1.html#D13" target="_self">MODELC_1:def 13</a><br/>


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