utilitymonster comments on A Proof of Occam's Razor - Less Wrong

3 Post author: Unknowns 10 August 2010 02:20PM

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Comment author: utilitymonster 12 August 2010 04:55:23PM 0 points [-]

This assumes countable additivity. Otherwise, each basic event could have probability zero, though the whole has probability 1.

I'm inclined to use countable additivity, but I couldn't give you arguments for it, other than by sketching models that violate it and pointing out that they are weird.