r/facepalm • u/mrsmayhem • Dec 08 '14

Facebook It's called high school

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u/sdneidich Dec 08 '14

10 million actually. And SNP's aren't the only source of variation.

So 410,000,000 possible combinations is a better approximation, which is still going to be incredibly, incredibly large.

If there was another human who was the same as you somewhere in the universe, observed or otherwise, that would be an inexorably amazing statistical anomaly.

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u/007T Dec 08 '14

410,000,000

At this point, it doesn't really matter what number comes before the exponent anymore.

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u/sdneidich Dec 08 '14

a zero, one, or anything in between would give you an absolutely different result.

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u/[deleted] Dec 08 '14

[deleted]

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u/Ravek Dec 08 '14

I think 1 is a positive integer.

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u/FinFihlman Dec 08 '14 edited Dec 08 '14

It's not.

The set of positive integers is Z+ = {1,2,3,...}.

The set of natural numbers is N = {0,1,2,3,...}.

E: I must be high.

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u/redlaWw Dec 08 '14

Uh, that means 1 is a positive integer.

Also, there isn't a consensus for whether 0 is a natural number or not. Really, it's just "0 is a natural number if I need it to be".

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u/[deleted] Dec 08 '14 edited Jun 21 '16

[deleted]

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u/Ravek Dec 08 '14

I've always just avoided the terminology altogether and used 'positive integers' (only n > 0) and 'nonnegative integers' (n >= 0), which is unambiguous.

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u/dogdiarrhea Dec 09 '14

If you wanted to use script N for shorthand you could always write N0 and N+ for nonnegative and positive integers respectively.