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<a NAME="E1:11"/>
0 <a href="xxreal_0.html#NR4" target="_self">&gt;</a> 0 <a href="xcmplx_0.html#K6">-</a> 1
 
;<br/>
<a NAME="E2:11"/><b>then </b>
0 <a href="binarith.html#K3">-'</a> 1 <a href="hidden.html#R1">=</a> 0
 
<b>by </b><i><a class="ref" href="binarith.html#D3">BINARITH:def 3</a></i>;<br/>
<a NAME="E3:11"/><b>then </b>
 <a href="radix_1.html#K1">Radix</a> <span class="p1">(<span class="default">0 <a href="binarith.html#K3">-'</a> 1</span>)</span> <a href="hidden.html#R1">=</a> 1
 
<b>by </b><i><a class="ref" href="power.html#T29">POWER:29</a></i>;<br/>
<a NAME="E4:11"/><b>then </b><i><font color="Green">E30</font></i>: 
0 <a href="radix_3.html#K1" target="_self">-SD_Sub_S</a>  <a href="hidden.html#R1">=</a> <span class="p1">{<span class="default"> <font color="Olive">w</font> where <font color="Olive">w</font> is    <a href="subset_1.html#M2">Element</a> of  <a href="mesfunc1.html#K2">INT</a>  : ( <font color="Olive">w</font> <a href="xxreal_0.html#NR2" target="_self">&gt;=</a>  <a href="xcmplx_0.html#K4">-</a> 1 &amp; <font color="Olive">w</font> <a href="xxreal_0.html#R1">&lt;=</a> 0 ) </span>}</span> 
 
;<br/>
<b>reconsider </b><font color="Maroon">ZERO</font> = 0 as   <a href="int_1.html#NM1">Integer</a> ;<br/>
<a NAME="E6:11"/>
<font color="Maroon">ZERO</font> is    <a href="subset_1.html#M2">Element</a> of  <a href="mesfunc1.html#K2">INT</a> 
 
<b>by </b><i><a class="ref" href="int_1.html#D2">INT_1:def 2</a></i>;<br/>
<b>hence </b><a NAME="E7:11"/>
0 <a href="hidden.html#R2">in</a> 0 <a href="radix_3.html#K1" target="_self">-SD_Sub_S</a> 
 <b>by </b><i/>;<br/>


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