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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="nat_1.html#NM1">Nat</a>;<br/>

<a NAME="E1:6"/>
 <a href="radix_1.html#K1">Radix</a> <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a> 2 <a href="power.html#K4">to_power</a> <font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="ref" href="radix_1.html#D1">RADIX_1:def 1</a></i>;<br/>
<b>hence </b><a NAME="E2:6"/>
 <a href="radix_1.html#K1">Radix</a> <font color="Maroon">c<sub>1</sub></font> <a href="xxreal_0.html#NR4" target="_self">&gt;</a> 0
 <b>by </b><i><a class="ref" href="power.html#T39">POWER:39</a></i>;<br/>


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