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- Thu Sep 08, 2011 12:14 am
- Forum: International Mathematical Olympiad (IMO)
- Topic: IMO 2011 Problem 2
- Replies: 8
- Views: 6386
Re: IMO 2011 Problem 2
I agree that the given induction argument is broken, but thus far no-one seems to have posted a solution anywhere on the internet which argues correctly by means of induction on the number of points. Such a solution would be very interesting.