This new edition of Alexander Miller's highly readable introduction to contemporary metaethics provides a critical overview of the main arguments and themes in twentieth- and twenty-first-century contemporary metaethics. Miller traces the development of contemporary debates in metaethics from their beginnings in the work of G. E. Moore up to the most recent arguments between naturalism and non-naturalism, cognitivism and non-cognitivism.

From Moore's attack on ethical naturalism, A. J. Ayer's emotivism and Simon Blackburn's quasi-realism to anti-realist and best opinion accounts...