<?xml version="1.0"?>
<div>:: <span class="kw">deftheorem </span>   defines <a href="pepin.html#K4" title="PEPIN:func.4">Fermat</a> <a onclick="hs(this)" href="javascript:()">PEPIN:def 3 : <br/></a><span> for <font color="Olive" title="b1">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="pepin.html#K4" title="PEPIN:func.4">Fermat</a> <font color="Olive" title="b1">n</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default">2 <a href="newton.html#K1" title="NEWTON:func.1">|^</a> <span class="p2">(<span class="default">2 <a href="newton.html#K1" title="NEWTON:func.1">|^</a> <font color="Olive" title="b1">n</font></span>)</span></span>)</span> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1;<br/></span></div>
