Vladimir_Nesov comments on Ingredients of Timeless Decision Theory - Less Wrong

43 Post author: Eliezer_Yudkowsky 19 August 2009 01:10AM

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Comment author: Eliezer_Yudkowsky 20 August 2009 12:19:37AM 1 point [-]

Except that the analogy to rock-paper-scissors would be that I get to move logically first by deciding my conditional strategy "rock if you play scissors" etc., and simulating you simulating me without running into an apparently non-halting computation (that would otherwise have to be stopped by my performing counterfactual surgery on the part of you that simulates my own decision), then playing rock if I simulate you playing scissors.

At least I think that's how the analogy would work.

Comment author: Vladimir_Nesov 20 August 2009 12:36:21AM *  2 points [-]

I suspect that this kind of problems will run into computational complexity issues, not clever decision theory issues. Like with a certain variation on St. Petersburg paradox (see the last two paragraphs), where you need to count to the greatest finite number to which you can count, and then stop.