Baughn comments on Harry Potter and the Methods of Rationality discussion thread - Less Wrong

34 Post author: Unnamed 27 May 2010 12:10AM

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Comment author: Baughn 26 June 2010 09:02:33PM 5 points [-]

Time-travel doesn't make the universe uncomputable, is the thing.

Time-travel makes certain laws of physics uncomputable, but there are any number of equivalent, far more complex sets of laws that would look the same to humans but remain computable - Eliezer's mind is running one, for starters. When writing a simulation, you would use one of those.