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Tit-for-Tat

A strategy for the iterated Prisoner's Dilemma in which a prisoner cooperates on the first move, and thereafter copies the previous move of the other prisoner. Any better strategy has more complicated rules.

See also Prisoner's Dilemma


References

Goetz, P. ``Phil's Good Enough Complexity Dictionary.'' http://www.cs.buffalo.edu/~goetz/dict.html.




© 1996-9 Eric W. Weisstein
1999-05-26