Diego E. Machuca is Researcher in Philosophy at the Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina. He is co-editor of the International Journal for the Study of Skepticism.

This volume represents a new contribution to the study of the connection between disagreement and skepticism in epistemology, metaethics, ancient philosophy, and metaphilosophy.

1. Editor's Introduction Diego E. Machuca 2. Disagreeing with the Pyrrhonist? Otávio Bueno 3. The Role of Disagreement in Pyrrhonian and Cartesian Skepticism Markus Lammenranta 4. A Neo-Pyrrhonian Approach to the Epistemology of Disagreement Diego E. Machuca 5. Moral Disagreement: Actual vs. Possible Folke Tersman 6. The Fragility of Moral Disagreement Zed Adams 7. How Skeptical is the Equal Weight View? Brandon Carey and Jonathan Matheson 8. Disagreement, Skepticism, and Track-Record Arguments Duncan Pritchard 9. Disagreement and Defeat Clayton Littlejohn 10. Disagreement: The Skeptical Arguments from Peerhood and Symmetry Nathan L. King 11. Dealing with Disagreement from the First-Person Perspective: A Probabilist Proposal Trent Dougherty 12. The Problem of Historical Variability Nathan Ballantyne 13. Is Philosophical Knowledge Possible? Hilary Kornblith 14. Defending Philosophy in the Face of Systematic Disagreement Sandy Goldberg