March 06, 2005

All numbers are special

[UPDATE: It just occured to me that it might not be obvious to the nonmathematical reader that this is a joke. Some proofs *are* this simple - but mathematicians do other things than consider number specialness during working hours (which to many is the same as waking hours)]

There's a delicious nonconstructive proof that all numbers are special (*if not, the set of nonspecial numbers would have a least element - but that would by definition be quite special - a contradicton*) but not only that, there's also What's Special About This Number - a directory of number specialness. There's a slightly more serious resource somewhere on number series, but I can't seem to locate it.

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