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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E58">Th67</font></span>: <a NAME="T67"><span class="comment"><font color="firebrick">:: FIB_NUM2:67</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">n</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="numbers.html#NK1" title="NUMBERS:NK.1">NAT</a>  holds   <a href="pre_ff.html#K2" title="PRE_FF:func.2">Fib</a> <font color="Olive" title="b1">n</font>, <a href="pre_ff.html#K2" title="PRE_FF:func.2">Fib</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> <a href="int_2.html#R1" title="INT_2:pred.1">are_coprime</a> </div></div>
