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<b>take </b><font color="Maroon">c<sub>1</sub></font> = <a href="xboole_0.html#K1">{}</a>  <a href="funcop_1.html#K2">--&gt;</a> 0;<br/>

<b>take </b>
0
; <i><font color="Red">:: according to </font></i><a class="ref" href="finseq_1.html#D2" target="_self">FINSEQ_1:def 2</a><br/>

<b>thus </b><a NAME="E1:13_1_1"/>
 <a href="relat_1.html#K1">dom</a> <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a>  <a href="finseq_1.html#K2" target="_self">Seg</a> 0
 <b>by </b><i><a class="ref" href="finseq_1.html#T4" target="_self">Th4</a></i>;<br/>


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