# Are there any unique valid proofs? [closed]

So I recently got into Calculus III, and discovered false proofs such as $1 = -1$ and $0=1$. They are both awesome and useful. However they are fake.

So I was wondering if there were any unique cool proofs like those above, except ones that are valid?

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I'm not sure what you're asking. A key part of mathematical work is writing unique, valid proofs. There are thousands of them. –  Austin Mohr Sep 9 '12 at 3:25
What do you mean by "unique"? Given any proof, I can make another one by adding some additional statements, so valid proofs are not what I would call unique. –  Ross Millikan Sep 9 '12 at 3:36
I'm not familiar with these fake proofs. Can you provide a link ? –  Teddy Sep 9 '12 at 8:27
@Teddy: Try browsing the (fake-proofs) tag. –  Henning Makholm Sep 9 '12 at 11:39
@RossMillikan, I meant something interesting. –  Link Sep 9 '12 at 13:55

## closed as not a real question by William, Austin Mohr, Zhen Lin, Chris Eagle, Henning MakholmSep 9 '12 at 11:39

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