<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T60"><span class="comment"><font color="firebrick">:: MOEBIUS3:60</font></span><br/></a><div class="add"> <a href="moebius3.html#K5" title="MOEBIUS3:func.5">indexp</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a>  ;<br/></div></div>
