The Prisioner’s Dilemma. A study of some aspects of the first tournament between computer programs by Axelrod
DOI:
https://doi.org/10.24310/Contrastescontrastes.v23i1.5460Keywords:
Prisoner's dilemma, Axelrod, Computer Tournament, Experimental philosophyAbstract
In 1981, Axelrod announced the approach and results of a tournament between computer programs by which he tried to fix what the best strategy for playing the iterated Prisoner’s Dilemma is. Each program encoded a strategy. The winning strategy, according to Axelrod, wasknown as Tit for Tat, encoded by the program submitted by Anatol Rapoport. As Axelrod’s work is experimental, it should be possible for anyone to repeat the experiment.This trial is a study of some aspects of that experiment. First, the concepts of «league tournament type» and «winner of a tournament league type». Third, the results of subjecting to analysis Table 2 of Axelrod.Perhaps the main conclusion of this study is that declaring a strategy (program) as winner should take into account not only the point of view of cooperation (minimizing mutual damage) but also the point of view of the confrontation (winning at all costs).
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