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The Language of Morals

work by Hare

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In The Language of Morals (1952), R.M. Hare proposed that moral judgments are not descriptions but rather prescriptions, akin to imperatives. He argued that while deriving an "ought" from an "is" is impossible, moral reasoning is constrained by the principle of universalizability. This means that if one judges an action as wrong, they must also judge any relevantly similar action as wrong. Universalizability is a logical feature of moral terms, not a substantive moral principle. Hare's work aimed to show that moral freedom, while present, is compatible with reasoning about moral judgments.123

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