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<a NAME="E1:39_1_1"/>
 <a href="relset_1.html#K5">rng</a> <font color="Maroon">x</font> <a href="tarski.html#R1">c=</a>  <a href="numbers.html#K2">COMPLEX</a> 
 
<b>by </b><i><a class="ref" href="xboole_1.html#T1">XBOOLE_1:1</a>, <a class="ref" href="numbers.html#T11">NUMBERS:11</a></i>;<br/>
<b>hence </b><a NAME="E2:39_1_1"/>
<font color="Maroon">x</font> is    <a href="finseq_1.html#M2">FinSequence</a> of  <a href="numbers.html#K2">COMPLEX</a> 
 <b>by </b><i><a class="ref" href="finseq_1.html#D4">FINSEQ_1:def 4</a></i>;<br/>


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