Abstract

Legal orthodoxy has it that the wrong involved in breaking a promise, like that involved in breaking a contract, depends essentially on the making of a binding promise. It is in this sense sui generis. But philosophers are not so sanguine. T.M. Scanlon is the latest in a long line of moral philosophers who have sought to reduce the wrong of promise-breaking to a wider class of wrongs associated with a duty, variously formulated, not to disappoint the expectations one induces in another. I argue that Scanlon's theory founders on a logical impasse that plages all such reductionist accounts