{"id":"game-theory","domain":"applied","type":"Concept","title":"Game Theory","slug":"game-theory","url":"/mathematics/applied/game-theory/","summary":"Mathematical study of strategic decision-making. Founded by von Neumann and Morgenstern (1944). Underlies economics, evolutionary biology, political science.","added_to_codex":"2026-05-27","last_verified":"2026-05-27","sources":[{"tier":1,"citation":"von Neumann, J. and Morgenstern, O. (1944). Theory of Games and Economic Behavior. Princeton University Press."},{"tier":1,"citation":"Fudenberg, D. and Tirole, J. (1991). Game Theory. MIT Press."},{"tier":2,"citation":"Axelrod, R. (1984). The Evolution of Cooperation. Basic Books."},{"tier":3,"citation":"Poundstone, W. (1992). Prisoner's Dilemma. Doubleday."}],"relationships":[{"type":"key_result","target":"nash-equilibrium","label":"Nash Equilibrium"},{"type":"uses","target":"probability","label":"Probability — mixed strategies"}],"entry_status":"live","reading_levels_available":["curious","exploring","deep_dive"],"completeness":1.0,"codex_version":"1.9"}