b. 1931
Sir Anthony Kenny is a British philosopher known for his extensive work in philosophy of mind, action theory, and the history of philosophy. He made major contributions to the analysis of human abilities and free will, and is one of the foremost interpreters of Aristotle, Aquinas, Descartes, and Wittgenstein.
Developed influential critiques of the modal analysis of ability and compatibilist accounts of free will
Authored the four-volume 'A New History of Western Philosophy'
Made major contributions to the interpretation of Aquinas's philosophy of mind and action theory
Served as Master of Balliol College, Oxford and President of the British Academy
Advanced the homunculus fallacy argument against Cartesian theories of mind
If S picks a red card or a black card at w, then either S picks a red card at w or S picks a black card at w
premiseAccording to (MA), an agent S has the ability to perform action A if and only if S performs A at some world satisfying condition C
premiseThis yields a contradiction, and (MA) is the only substantive premise in the argument
claimThe modal analysis of ability (MA) must be rejected
premiseIf S has the ability to pick a red card or pick a black card, then by (MA) there is a world w satisfying condition C where S picks a red card or a black card
premiseBy assumption, S does not have the ability to pick a red card and S does not have the ability to pick a black card
premiseApplying (MA) in the other direction, if S picks a red card at w then S has the ability to pick a red card, and if S picks a black card at w then S has the ability to pick a black card
If S picks a red card or a black card at w, then either S picks a red card at w or S picks a black card at w
premiseThis yields a contradiction, and (MA) is the only substantive premise in the argument
premiseBy assumption, S does not have the ability to pick a red card and S does not have the ability to pick a black card
premiseApplying (MA) in the other direction, if S picks a red card at w then S has the ability to pick a red card, and if S picks a black card at w then S has the ability to pick a black card
According to (MA), an agent S has the ability to perform action A if and only if S performs A at some world satisfying condition C
claimThe modal analysis of ability (MA) must be rejected
premiseIf S has the ability to pick a red card or pick a black card, then by (MA) there is a world w satisfying condition C where S picks a red card or a black card