J. Y. Halpern and Y. Moses (2014) "A Procedural Characterization of Solution Concepts in Games", Volume 49, pages 143-170

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We show how game-theoretic solution concepts such as Nash equilibrium, correlated equilibrium, rationalizability, and sequential equilibrium can be given a uniform definition in terms of a knowledge-based program with counterfactual semantics. In a precise sense, this program can be viewed as providing a procedural characterization of rationality.

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