It is an incredible miracle that a permutation can be represented as a product of an even or an odd number of transpositions, but not both.
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Replying to @mjdominus
@mjdominus To me it's just...A_n is normal in S_n, done.1 reply 0 retweets 0 likes
Replying to @mjdominus
@mjdominus I guess I'm not thinking about it correctly.
11:13 AM - 19 Jul 2012
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.