Goals, values, and reasoning

It is impossible to model human reasoning without taking into consideration the values and goals behind a decision. Although the problem of inference with values and goals has been discussed by a number of authors, many issues still stand in need of further development. The main purpose of this work is to discuss the issue of modeling of values and goals in reasoning and argumentation, hence the need for an analysis of existing definitions of values and goals, a discussion of relations between them, and the formulation of value- and goal-based mechanisms of reasoning.