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<b>let </b><font color="Maroon" title="c2">x</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="fraenkel.html#D1" title="FRAENKEL:def.1">FRAENKEL:def 1</a><br/>

<b>thus </b><a NAME="E1:115_1_1"/>
(  not <font color="Maroon" title="c2">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c1">D</font> <a href="finseq_1.html#K13" title="FINSEQ_1:func.13">*</a>  or <font color="Maroon" title="c2">x</font> is    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>  )
 <b>by </b><i><a class="ref" href="finseq_1.html#D11" target="_self" title="FINSEQ_1:def.11">Def11</a></i>;<br/>


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