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<b>consider </b><font color="Maroon" title="c1">f</font> being  <a href="relat_1.html#V2" title="RELAT_1:attr.2">non-empty</a> <a href="funct_2.html#NM1" title="FUNCT_2:NM.1">Function</a> of 0, <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a> ;<br/>
<b>take </b>
<font color="Maroon" title="c1">f</font>
;<br/>

<b>thus </b><a NAME="E2:15_1_1"/>
( <font color="Maroon" title="c1">f</font> is <a href="relat_1.html#V2" title="RELAT_1:attr.2">non-empty</a> &amp; <font color="Maroon" title="c1">f</font> is <a href="seq_1.html#V1" title="SEQ_1:attr.1">real-yielding</a> )
 ;<br/>


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