byrnema comments on Confusion about Newcomb is confusion about counterfactuals - Less Wrong

35 Post author: AnnaSalamon 25 August 2009 08:01PM

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Comment author: John_Maxwell_IV 27 August 2009 06:33:07PM *  0 points [-]

Since the trustworthy bystander's world-surgery occurs after the brain scan, modifying Joe into a two-boxer will help him make more money. I believe this was discussed in the post. Do you disagree with this?

Please respond to that part of my post. If you believe that the trustworthy bystander's advice will cause Joe to lose money, please explain how.

Edit: Assume that Omega has not scanned the brain of the trustworthy bystander, because the story does not describe him scanning it.

Comment author: byrnema 27 August 2009 06:52:44PM 2 points [-]

There are some simplifying assumptions you need to make for the problem to work. Joe is not allowed to use or be influenced by information Omega doesn't have, or else Omega can't make the prediction with accuracy.