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 …

Can normative words like" good,"" ought," and" reason" be defined in entirely non-normative
terms? Confusion of Tongues argues that they can, advancing a new End-Relational theory …

Unbelievable Errors defends an error theory about all normative judgements: not just moral
judgements, but also judgements about reasons for action, judgements about reasons for …

Metaethics: A Contemporary Introduction provides a solid foundation in metaethics for
advanced undergraduates by introducing a series of puzzles that most metaethical theories …

Do moral facts exist? What would they be like if they did? What does it mean to say that a
moral claim is true? What is the link between moral judgement and motivation? Can we …

We defend a contextualist account of normative judgments as relativized both to (i)
information and to (ii) standards or ends against recent objections that turn on practices of …

There are many species of norms. An act can be an illegal chess move, and impolite to boot,
but still morally required. And there are famous philosophical puzzles about the generic …

When asked to describe wartime atrocities, acts of terrorism, and serial killers, many of us
reach for the word" evil." But what does it mean to say that an action or a person is evil …

Are there such things as moral truths? How do we know what we should do? And does it
matter? Constructivism states that moral truths are neither invented nor discovered, but …

My aim in this essay is largely defensive. I aim to discuss some problems for moral error
theory and to offer plausible solutions. A full positive defense of moral error theory would …