Chapter I: Formulation of the economic problem 1.- The mathematical method in economics 2.- Qualitative discussion of the problem of rational behavior 3.- The notion of utility 4.- Structure of the theory: solutions and standars of behavior Chapter II: General formal description of games of strategy 5.- Introduction 6.- The simplified concept of a game 7.- The complete concept of a game 8.- Sets and partitions 9.- The set-theoretical description of a game 10.- Axiomatic formulation 11.- Strategies and the final simplification of the description Chapter III: Zero-sum two-person games: theory Chapter IV: Zero-sum two-person games: examples Chapter V: Zero-sum three-person games Chapter VI: Formulation of the general theory: zero-sum n-person games Chapter VII: Zero-sum four-person games Chapter VIII: Some remarks concerning n≧5 participants Chapter IX: Composition and decomposition of games Chapter X: Simple games Chapter XI: General non-zero-sum games Chapter XII: Extension of the concepts of domination and solution