MoreOn comments on Newcomb's Problem and Regret of Rationality - Less Wrong

64 Post author: Eliezer_Yudkowsky 31 January 2008 07:36PM

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Comment author: ata 11 December 2010 05:33:53AM *  0 points [-]

One-boxers who regret foregoing $1000. They don’t believe in Omega’s omniscience. There’re Q4 of these.

How is there anybody in this group? Considering that all of them have $1,000,000, what convinced them to one-box in the first place such that they later changed their minds about it and regretted the decision? (Like, I guess a one-boxer could say afterwards "I bet that guy wasn't really omniscient, I should have taken the other box too, then I'd have gotten $1,001,000 instead", but why wouldn't a person who thinks that way two-box to begin with?)

Comment author: MoreOn 11 December 2010 06:26:36AM 0 points [-]

True.

I only took that case into account for completeness, to cover my bases against the criticism that "not all one-boxers would be happy with their decisions."

Naively, when you have a choice between 1000000.01 and 1000000.02, it's very easy to argue that the latter is the better option. To argue for the former, you would probably cite the insignificance of that cent next to the rest of 1000000.01: that eps doesn't matter, or that an extra penny in your pocket is inconvenient, or that you already have 1000000.01, so why do you need another 0.01?