Jonathan_Graehl comments on Decision Theories: A Semi-Formal Analysis, Part II - Less Wrong

16 Post author: orthonormal 06 April 2012 06:59PM

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Tags: prisoners_dilemma decision_theory newcombs_problem naive cdt causal

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Comment author: orthonormal 08 April 2012 04:42:19AM 2 points [-]

I'd appreciate more precision on "If G is a prisoner's dilemma".

We can read off the payoff matrix. G is a Prisoner's Dilemma if for each player, utility(I defect, they cooperate)>utility(we both cooperate)>utility(we both defect)>utility(I cooperate, they defect).

Comment author: Jonathan_Graehl 08 April 2012 05:58:37AM 0 points [-]

That seems clear. Perhaps in addition, u(c,d)+u(d,c) < 2*u(c,c), though I'm not sure if that makes a difference to your claims.

Comment author: orthonormal 08 April 2012 03:58:56PM *  0 points [-]

Again, no difference for CDT or TDT (or the version of ADT I'll present), but sometimes it matters for UDT.

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