Aristotle on practical reasoning and the structure of action -- Hume and the instrumentalist conception of practical reasoning -- Kant and the autonomy of practical reason -- The varieties and basic elements of practical reasoning -- Practical reasoning and intentional action -- Practical reasoning in the dynamics of action -- The assessment of practical reasoning -- General principles of practical appraisal -- Practical reasoning and moral judgment -- Practical reasoning in ethical decisions -- The rationality of action and the plurality of value.