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<b>let </b><font color="Maroon">k</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/>

<a NAME="E1:13"/><i><font color="Green">E30</font></i>: 
0 <a href="hidden.html#R2">in</a> <font color="Maroon">k</font> <a href="radix_3.html#K1" target="_self">-SD_Sub_S</a> 
 
<b>by </b><i/>;<br/>
<a NAME="E2:13"/>
<font color="Maroon">k</font> <a href="radix_3.html#K1" target="_self">-SD_Sub_S</a>  <a href="tarski.html#R1">c=</a> <font color="Maroon">k</font> <a href="radix_3.html#K2" target="_self">-SD_Sub</a> 
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E3:13"/>
0 <a href="hidden.html#R2">in</a> <font color="Maroon">k</font> <a href="radix_3.html#K2" target="_self">-SD_Sub</a> 
 <b>by </b><i/>;<br/>


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