Outline for Hume's metaethical position and Expressivist or error theorist
a) Hume: Moral realism, Expressivist: Moral anti-realism
b) Hume: Moral anti-realism, Expressivist: Moral realism
c) Hume: Subjectivism, Expressivist: Objectivism
d) Hume: Objectivism, Expressivist: Subjectivism