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<div><span class="kw">theorem </span><a NAME="T19"><span class="comment"><font color="firebrick">:: MOEBIUS2:19</font></span><br/></a><div class="add"> <a href="newton.html#K10" title="NEWTON:func.10">primenumber</a> 5 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 13</div></div>
