OccamsTaser comments on Robust Cooperation in the Prisoner's Dilemma - Less Wrong

69 Post author: orthonormal 07 June 2013 08:30AM

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Comment author: OccamsTaser 13 June 2013 07:24:47AM *  2 points [-]

I propose a variation of fairbot, let's call it two-tiered fairbot (TTF).

If the opponent cooperates* iff I cooperate, cooperate
else, if the opponent cooperates* iff (I cooperate iff the opponent cooperates), check to see if the opponent cooperates
and cooperate iff he/she does*
else, defect.

It seems to cooperate against any "reasonable" agents, as well as itself (unless there's something I'm missing) while defecting against cooperatebot. Any thoughts?

*As determined by proof check.

Comment author: orthonormal 13 June 2013 04:00:02PM 3 points [-]

It cooperates with CooperateBot, for the same Löbian reason that FairBot does. The substatement "if I defected, then CooperateBot will defect" is actually true because you cooperate (and "if false, then false" is a tautology).