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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be   <a href="nat_1.html#NM1">Nat</a>;<br/><b>let </b><font color="Maroon">c<sub>4</sub></font> be   <a href="binarith.html#NM1">Tuple</a> of <font color="Maroon">c<sub>2</sub></font>,<span class="p1">(<span class="default"><font color="Maroon">c<sub>3</sub></font> <a href="radix_1.html#K3" target="_self">-SD</a> </span>)</span>;<br/>







<b>assume </b><a NAME="E1:22"/><i><font color="Green">E17</font></i>: 
<font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R2">in</a>  <a href="finseq_1.html#K2">Seg</a> <font color="Maroon">c<sub>2</sub></font>
 ;<br/>

<a NAME="E2:22"/><b>then </b>
<font color="Maroon">c<sub>4</sub></font> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a>  <a href="radix_1.html#K4" target="_self">DigA</a> <font color="Maroon">c<sub>4</sub></font>,<font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="ref" href="radix_1.html#D3" target="_self">Def3</a></i>;<br/>
<b>hence </b><a NAME="E3:22"/>
 <a href="radix_1.html#K4" target="_self">DigA</a> <font color="Maroon">c<sub>4</sub></font>,<font color="Maroon">c<sub>1</sub></font> is    <a href="subset_1.html#M2">Element</a> of <font color="Maroon">c<sub>3</sub></font> <a href="radix_1.html#K3" target="_self">-SD</a> 
 <b>by </b><i><a class="txt" href="radix_1.html#E1:22"><i><font color="Green">E17</font></i></a>, <a class="ref" href="radix_1.html#T18" target="_self">Th18</a></i>;<br/>


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