<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E5">Th1</font></span>: <a NAME="T1"><span class="comment"><font color="firebrick">:: SIN_COS:1</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds <br/> ( <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="newton.html#K2" title="NEWTON:func.2">!</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 1 &amp; <font color="Olive" title="b1">n</font> <a href="newton.html#K2" title="NEWTON:func.2">!</a>  <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a>  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a>  &amp; <span class="p1">(<span class="default"><font color="Olive" title="b1">n</font> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span> <a href="newton.html#K2" title="NEWTON:func.2">!</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><font color="Olive" title="b1">n</font> <a href="newton.html#K2" title="NEWTON:func.2">!</a></span>)</span> <a href="xcmplx_0.html#K3" title="XCMPLX_0:func.3">*</a> <span class="p1">(<span class="default"><font color="Olive" title="b1">n</font> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span> ) <span class="kw">by</span> <span class="lab"><a class="ref" href="sin_cos.html#D2" target="_self" onmouseover="rs('sin_cos/D2')" onmouseout="rh()">Def2</a></span>;<br/></div></div>
