ThrustVectoring comments on Prisoner's Dilemma (with visible source code) Tournament - Less Wrong

47 Post author: AlexMennen 07 June 2013 08:30AM

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Comment author: shminux 05 June 2013 11:21:01PM *  7 points [-]

If HisProgram == MyProgram then
do (C);
else
do (D);
end.

TIL that ethnic hatred and tribalism is a Nash (folk) equilibrium.

Comment author: ThrustVectoring 06 June 2013 02:35:06AM 0 points [-]

You only need to evaluate the equivalence of the first two lines of the program, by the way. It cooperates with those who can't not cooperate with it if it goes through that branch of the logic, and does something else to everyone else.