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<b>reconsider </b><font color="Maroon" title="c3">a</font> = <font color="Maroon" title="c2">a</font> as    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a>  <b>by </b><i><a class="ref" href="ordinal1.html#D13" title="ORDINAL1:def.13">ORDINAL1:def 13</a></i>;<br/>
<a NAME="E2:18_1_1"/>
<font color="Maroon" title="c1">k</font> <a href="newton.html#K2" title="NEWTON:func.2">|^</a> <font color="Maroon" title="c3">a</font> is <a href="int_1.html#V1" title="INT_1:attr.1">integer</a>
 
;<br/>
<b>hence </b><a NAME="E3:18_1_1"/>
<font color="Maroon" title="c1">k</font> <a href="newton.html#K2" title="NEWTON:func.2">|^</a> <font color="Maroon" title="c2">a</font> is <a href="int_1.html#V1" title="INT_1:attr.1">integer</a>
 ;<br/>


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