Promises, obligations, and abilities
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Julia Driver
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Article
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1983
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Springer Netherlands
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English
β 151 KB
Consider the following three propositions: (1) Whenever a person makes a promise to do x, he thereby puts himself under an obligation to do x. (2) If someone is obligated to do x, then he can do x ('ought' implies 'can e ). (3) Some people sometimes make promises they cannot keep.