FAWS comments on Desirable Dispositions and Rational Actions - Less Wrong

13 Post author: RichardChappell 17 August 2010 03:20AM

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Comment author: Perplexed 17 August 2010 06:35:24PM -2 points [-]

Why is Omega physically impossible?

Because, in predicting my future decisions, he is performing Laplace demon computations based on Heisenberg demon measurements. And physics rules out such demons.

What is philosophically impossible, in general?

Anything which cannot consistently coexist with what is already known to exist

Comment author: FAWS 17 August 2010 06:46:26PM 1 point [-]

One possibility: Omega is running this universe as a simulation, and has already run a large number of earlier identical instances.

There may be many less obvious possibilities, even if you require Omega to be certain rather than just very sure.

Comment author: Perplexed 17 August 2010 08:57:16PM 1 point [-]

One possibility: Omega is running this universe as a simulation, and has already run a large number of earlier identical instances.

Ok, that is possible, I suppose. Though it does conflict, in a sense, with the claim that he put the money in the box before I made the decision whether to one-box or two-box. Because, in some sense, I already made that decision in all(?) of those earlier identical simulations.