MatthewW comments on Open Thread September, Part 3 - Less Wrong

2 Post author: LucasSloan 28 September 2010 05:21AM

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Comment author: MatthewW 29 September 2010 05:39:01PM 3 points [-]

To get to the conclusion that against a 60% Omega you're better off to one-box, I think you have to put in a strong independence assumption: that the probability of Omega getting it wrong is independent of the ways of thinking that the player is using to make her choice.

I think that's really the original problem in disguise (it's a 100% Omega who rolls dice and sometimes decides to reward two-boxing instead of one-boxing). The analysis if all you know is that Omega is right 60% of the time would look different.

Comment author: cousin_it 29 September 2010 09:19:16PM *  0 points [-]

The analysis if all you know is that Omega is right 60% of the time would look different.

How exactly different?

Comment author: MatthewW 29 September 2010 10:25:56PM 2 points [-]

It would become a mind game: you'd have to explicitly model how you think Omega is making the decision.

The problem you're facing is to maximise P(Omega rewards you|all your behaviour that Omega can observe). In the classical problem you can substitute the actual choice of one-boxing or two-boxing for the 'all your behaviour' part, because Omega is always right. But in the 'imperfect Omega' case you can't.