A fuzzy approach to modeling the knowledge of decision-makers

A game is a decision making situation in which each player attempts to act in such a way that the game\´s circumstances get close to what desirable for him. To reach this goal, a player needs to have a suitable estimation of the other players\´ decisions. In this paper, we propose a fuzzy approach by which a player can attain an estimation of the other players\´ actions and pursue a strategy which maximizes its performance. Finally, the results of applying the proposed approach to the well-known "prisoner\´s dilemma" problem are brought to show the effectiveness of the method