Christopher Cowie is an Assistant Professor in Philosophy at the University of Durham, UK. His book The Repugnant Conclusion: A Philosophical Inquiry is forthcoming with Routledge.

Rach Cosker-Rowland is an Associate Professor in the School of Philosophy, Religion and History of Science at the University of Leeds, UK. They are author of The Normative and the Evaluative: The Buck-Passing Account of Value (2019), and Moral Disagreement (Routledge, 2020).

Introduction Part 1: Methodology 1. Companions in Guilt: Entailment, Analogy, and Absorbtion Hallvard Lillehammer 2. Two Kinds of Companion in Guilt Louise Hanson Part 2: Normativity and Error Theory 3. Moral and epistemic normativity: The guilty and the innocent Richard Joyce 4. Metaethics Out of Speech Acts? Moral Error Theory and the Possibility of Speech Jonas Olson 5. The Prudential Companions-in-Guilt Objection to Moral Error Theory Wouter Kalf Part 3: Alternative Companions: Mathematics and Aesthetics 6. Objectivity and Evaluation Justin Clarke-Doane 7. Moral Pluralism and Companions in Guilt Ramon Das 8. Contemporary Work on Debunking Arguments in Morality and Mathematics Christopher Cowie 9. Aesthetic properties, mind-independence, and companions in guilt Daan Evers Part 4: Moral Epistemology 10. Ethics and Perception: Two Kinds of Quasi-Realism James Lenman 11. Companions in Guilt Arguments in the Epistemology of Moral Disagreement Rach Cosker-Rowland 12. Companions in Love: Iris Murdoch on Attunement in the Condition of Moral Realism Anna Bergqvist. Index