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Jul 31, 2010 at 14:31 comment added miforbes Thanks, I am aware of Papadimitriou's various inefficient proofs of existence, but I consider these more of a brute-force type of proof in the sense that the algorithms themselves don't really establish the existence of the desired object - it is the various lemmas (parity, etc) that he uses to establish the existence. The algorithms sort of fall out in a trivial way. Though, perhaps it isn't a meaningful distinction.
Jul 30, 2010 at 22:26 history answered Noah Stein CC BY-SA 2.5