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<div><span class="kw">theorem </span><a NAME="T15"><span class="comment"><font color="firebrick">:: NUMBER16:15</font></span><br/></a><div class="add">( 4,11 <a href="int_2.html#R1" title="INT_2:pred.1">are_coprime</a>  &amp; (  for <font color="Olive" title="b1">m</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a>  holds  not <span class="p1">(<span class="default"><a href="number06.html#K1" title="NUMBER06:func.1">ArProg</a> (4,11)</span>)</span> <a href="recdef_1.html#K1" title="RECDEF_1:func.1">.</a> <font color="Olive" title="b1">m</font> is  <a href="number06.html#V3" title="NUMBER06:attr.3">Fibonacci</a>  ) )</div></div>
