utilitarianism's 'utility monster' problem is

Utilitarianism

Utilitarianism maximizes happiness for the greatest number

Immanuel Kant

Kant separates duty from inclination to determine moral worth

Moral nihilism

Moral nihilism asserts that nothing is morally right or wrong

A Theory of Justice

Nozick's entitlement theory argues against Rawls — redistribution violates individual rights

Emmanuel Levinas

Levinas argues that ethics precedes knowledge

Philosophy of Friedrich Nietzsche

Nietzsche developed his philosophy in the late 19th century