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<b>let </b><font color="Maroon" title="c1">k</font> be   <a href="nat_1.html#NM1" title="NAT_1:NM.1">Nat</a>;<br/><b>let </b><font color="Maroon" title="c2">e</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="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a><br/>



<b>assume </b><a NAME="E1:16"/><i><font color="Green" title="E15">A1</font></i>: 
<font color="Maroon" title="c2">e</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c1">k</font> <a href="radix_3.html#K1" title="RADIX_3:func.1">-SD_Sub_S</a> 
 ;<br/>

<a NAME="E2:16"/>
<font color="Maroon" title="c1">k</font> <a href="radix_3.html#K1" title="RADIX_3:func.1">-SD_Sub_S</a>  <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Maroon" title="c1">k</font> <a href="radix_3.html#K2" title="RADIX_3:func.2">-SD_Sub</a> 
 
<b>by </b><i><a class="ref" href="radix_3.html#T3" target="_self" title="RADIX_3:th.3">Th3</a></i>;<br/>
<a NAME="E3:16"/><b>then </b>
<font color="Maroon" title="c2">e</font> is   <a href="int_1.html#NM1" title="INT_1:NM.1">Integer</a>
 
<b>by </b><i><a class="txt" href="radix_3.html#E1:16"><i><font color="Green" title="E15">A1</font></i></a>, <a class="ref" href="radix_3.html#T9" target="_self" title="RADIX_3:th.9">Th9</a></i>;<br/>
<b>hence </b><a NAME="E4:16"/>
<font color="Maroon" title="c2">e</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="numbers.html#K4" title="NUMBERS:func.4">INT</a> 
 <b>by </b><i><a class="ref" href="int_1.html#D2" title="INT_1:def.2">INT_1:def 2</a></i>;<br/>


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