Making a Start with the stit Logic Analysis of Intentional Action

Author: Broersen Jan  

Publisher: Springer Publishing Company

ISSN: 0022-3611

Source: Journal of Philosophical Logic, Vol.40, Iss.4, 2011-08, pp. : 499-530

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Abstract

This paper studies intentional action in stit logic. The formal logic study of intentional action appears to be new, since most logical studies of intention concern intention as a static mental state. In the formalization we distinguish three modes of acting: the objective level concerning the choices an agent objectively exercises, the subjective level concerning the choices an agent knows or believes to be exercising, and finally, the intentional level concerning the choices an agent intentionally exercises. Several axioms constraining the relations between these different modes of acting will be considered and discussed. The side effect problem will be analyzed as an interaction between knowingly doing and intentionally doing. Non-successful action will be analyzed as a weakening of the epistemic attitude towards action. Finally, the notion of `attempt' will be briefly considered as a further weakening in this direction.