prase comments on The Irrationality Game - Less Wrong

38 Post author: Will_Newsome 03 October 2010 02:43AM

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Comment author: Perplexed 04 October 2010 11:21:31PM 1 point [-]

... others like Tegmark are drawn towards a uniform prior.

I wouldn't have thought that a uniform prior would even make sense unless the underlying space has a metric (a bounded metric, in fact). Certainly, a Haar measure on a recursively nested space (simulations within simulations) would have to assign the bulk of its measure to the basement. Well, live and learn.

Comment author: Will_Newsome 04 October 2010 11:55:08PM 0 points [-]

I wouldn't have thought that a uniform prior would even make sense unless the underlying space has a metric (a bounded metric, in fact).

Yeah, I also don't understand Tegmark's reasoning (which might have changed anyway).