<?xml version="1.0"?>
<div class="add">

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

<b>assume </b><a NAME="E1:58"/><i><font color="Green">E31</font></i>: 
<font color="Maroon">k</font> <a href="xxreal_0.html#NR4" target="_self">&gt;</a> 1
 ;<br/>

<a NAME="E2:58"/>
1 <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><font color="Maroon">k</font> <a href="xcmplx_0.html#K3">*</a> 0</span>)</span> <a href="xcmplx_0.html#K2">+</a> 1
 
;<br/>
<b>hence </b><a NAME="E3:58"/>
1 <a href="nat_1.html#K6" target="_self">mod</a> <font color="Maroon">k</font> <a href="hidden.html#R1">=</a> 1
 <b>by </b><i>, </i>;<br/>


</div>
