Abstract

Philosophy of language, according to Hare, contributes significantly to ethics, because it provides a logical structure for moral thinking. Referring to J. L. Austin's theory of speech acts, Hare distinguishes two kinds or genera of speech acts, the descriptive and the prescriptive; and he also discusses Austin's distinction between illocutionary and perlocutionary acts. Moral judgements, e.g. those judgements expressed by ‘ought’, are prescriptive speech acts, but they also have a descriptive meaning. This is because moral judgements share with normative judgements the logical feature Hare calls universalizability. Alongside prescriptivity and universalizability, a third element of Hare's account of moral judgement is the identification of one's will with that of another moral agent's will in hypothetical situations.