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James_Miller comments on A simple game that has no solution - Less Wrong Discussion

10 Post author: James_Miller 20 July 2014 06:36PM

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Comment author: James_Miller 20 July 2014 07:37:56PM *  1 point [-]

Please answer the question, what would you do if you are player 2 and get to move? Might you pick Y? And if so, how can you conclude that Player 1 was irrational to not pick A?

Comment author: shminux 20 July 2014 10:35:40PM *  0 points [-]

what would you do if you are player 2 and get to move?

I will realize that I was lied to, and the player 1 is not rational. Now, if you are asking what player 2 should do in a situation where Player 1 does not follow the best possible strategy, I think Eliezer's solution above works in this case. Or Emile's. It depends on how you model irrationality.

Comment author: James_Miller 22 July 2014 05:13:08AM 0 points [-]

I don't agree since you can't prove that not picking A is irrational until you tell me what player 2 would do if he gets to move and we can't answer this last question.