That solution to this problem was Searle's, and considers the promise of Smith to pay $5 dollars, claiming that promises tautologically create obligations.
Prior proposed a solution to this problem by taking the disjunction of two types of statements, considering an example about tea-drinking in England and shooting New Zealanders. Hare's argument against one solution to this problem uses the example of a baseball game to claim rules require a game to be played, so those rules don't apply outside the game itself. That solution to this problem was Searle's, and considers the promise of Smith to pay $5 dollars, claiming that promises tautologically create obligations. Naturalist solutions to this problem were refuted by the open question argument, which claimed the statement "A is good" is unanalyzable, and so the obligation to do good is insufficient. For 10 points, name this problem, sometimes called Hume's guillotine, of deriving prescriptive statements from descriptive ones.
Prior proposed a solution to this problem by taking the disjunction of two types of statements, considering an example about tea-drinking in England and shooting New Zealanders.
is-ought problem [or ought-is problem; accept Hume's guillotine before mention]