It has been hard to explain the altruistic behavior of organisms to the classical narural Selection theoryand kin selection theory. According to the reciprocity theory, and orgarism helps another organism in orderto reap the comparatively greater benefits of receiving help at a late time. On the basis of this view point, the standard iterated Prisoner's Dilemma, modified Prisoner's Dilemma and Cook's Dilemma gamemodels are made, and explain Separately different altruistic phenomena. The metaphysical presupposition ofthe game theory of reciprocal altruism is that organisms possess rationality i...
