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<b>let </b><font color="Maroon" title="c1">s</font>, <font color="Maroon" title="c2">t</font> be   <a href="nat_1.html#NM1" title="NAT_1:NM.1">Nat</a>;<br/>



<b>assume </b><a NAME="E1:37"/><i><font color="Green" title="E22">A1</font></i>: 
( <font color="Maroon" title="c1">s</font> <a href="xxreal_0.html#NR2" title="XXREAL_0:NR.2">&gt;=</a> 1 &amp; <font color="Maroon" title="c2">t</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">s</font> <a href="xcmplx_0.html#K6" title="XCMPLX_0:func.6">-</a> 1 )
 ;<br/>

<a NAME="E2:37"/><b>then </b>
<font color="Maroon" title="c1">s</font> <a href="newton.html#K8" title="NEWTON:func.8">choose</a> <font color="Maroon" title="c2">t</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">s</font> <a href="newton.html#K8" title="NEWTON:func.8">choose</a> 1
 
<b>by </b><i><a class="ref" href="newton.html#T30" target="_self" title="NEWTON:th.30">Th30</a></i>;<br/>
<b>hence </b><a NAME="E3:37"/>
<font color="Maroon" title="c1">s</font> <a href="newton.html#K8" title="NEWTON:func.8">choose</a> <font color="Maroon" title="c2">t</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">s</font>
 <b>by </b><i><a class="txt" href="newton.html#E1:37"><i><font color="Green" title="E22">A1</font></i></a>, <a class="ref" href="newton.html#T33" target="_self" title="NEWTON:th.33">Th33</a></i>;<br/>


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