Jonas Olson presents a critical survey of moral error theory, the view that there are no moral facts and so all moral claims are false. In Part I (History), he explores the historical context of the debate, and discusses the moral error theories of David Hume and of some more or less influential twentieth century philosophers, including Axel Hagerstrom, Bertrand Russell, Ludwig Wittgenstein, and Richard Robinson. He argues that the early cases for moral error theory are suggestive but that they would have been stronger had they included something like J. L. Mackie's arguments that moral...

Value theory, or axiology, looks at what things are good or bad, how good or bad they are, and, most fundamentally, what it is for a thing to be good or bad. Questions about value and about what is valuable are important to moral philosophers, since most moral theories hold that we ought to promote the good (even if this is not the only thing we ought to do). This Handbook focuses on value theory as it pertains to ethics, broadly construed, and provides a comprehensive overview of contemporary debates pertaining not only to philosophy but also to other disciplines-most notably, political...

Jonas Olson presents a critical survey of moral error theory, the view that there are no moral facts and so all moral claims are false. Part I explores the historical context of the debate; Part II assesses J. L. Mackie's famous arguments; Part III defends error theory against challenges and considers its implications for our moral thinking.

Questions about value are important in many contexts. Value theory, or axiology, studies which things are good or bad, how good or bad they are, and, most fundamentally, what it is for a thing to be good or bad. This Handbook provides a comprehensive and state-of-art overview of the debate in value theory.