17Rule GHP applied to rules “An act is right if and only if it is required by a rule that is itself a member of a set of rules whose acceptance would lead to greater utility for society than any available alternative”From rules acts deduced as wrongBrandt, Smart, NielsenMill and 'tendencies'
18Preference Individuals decide what is pain/pleasure for them Preferences unless outweighed by otherse.g. Peter Singer and abortion.
19General Strengths Simplicity but Mill/Hedonic Calculus Social change and BenthamPurpose of morality (Aristotle/Epicurus/Pojman)
20General WeaknessesIncommensurate values (number/happiness) but internal debateImmeasurable consequences but Mill and CILewis (actual/expected/intended consequences)No rest; no personal integrity; not for all as difficult to follow (Pojman)Justice but Mill (punitive/distributive)Intuition and intrinsic/instrumental values and absurd implications (WDRoss)Ends and Means (Kant)
21General responsesSplit level utilitarianism (general/lower: rule, rare but difficult/higher: act)
22Overall response Kant and categorical imperative So right on purpose of morality wrong on need for rules and justiceFrankena and principles of beneficence and justiceOr Ross, objectivism and actual vs.. prima facie duties