Tobias Hoffmann is Professor of Philosophy at The Catholic University of America. He has edited and co-edited several anthologies, including A Companion to Angels in Medieval Philosophy (2012) and Aquinas and the Nicomachean Ethics (with Jörn Müller and Matthias Perkams, Cambridge, 2013).

'This book provides an historically sound and philosophically sophisticated overview not only of medieval debates concerning the angelic freedom to sin, but also of the relevant discussions about human freedom. It should be read by anyone who is interested in the conditions under which wrongdoing might be possible.' Thomas Osborne, University of St Thomas, Houston

• Part I. Free Will: 1. Free will with and without Aristotle; 2. The psychological turn and the rise of intellectualism; 3. Voluntarism and the condemnation of intellectualism; 4. Intermediary theories and strict intellectualism; 5. Refinements and radicalizations; Part II. Whence Evil?: 6. Does evil have a cause?; 7. The will as the cause of evil; Part III. Angelic Sin: 8. Intellectualist accounts of the angelic fall; 9. Voluntarist and intermediary accounts of the angelic fall; 10. Necessary (and free?) obstinacy.

Tobias Hoffmann is Professor of Philosophy at The Catholic University of America. He has edited and co-edited several anthologies, including A Companion to Angels in Medieval Philosophy (2012) and Aquinas and the Nicomachean Ethics (with Jörn Müller and Matthias Perkams, Cambridge, 2013).

'This book provides an historically sound and philosophically sophisticated overview not only of medieval debates concerning the angelic freedom to sin, but also of the relevant discussions about human freedom. It should be read by anyone who is interested in the conditions under which wrongdoing might be possible.' Thomas Osborne, University of St Thomas, Houston

• Part I. Free Will: 1. Free will with and without Aristotle; 2. The psychological turn and the rise of intellectualism; 3. Voluntarism and the condemnation of intellectualism; 4. Intermediary theories and strict intellectualism; 5. Refinements and radicalizations; Part II. Whence Evil?: 6. Does evil have a cause?; 7. The will as the cause of evil; Part III. Angelic Sin: 8. Intellectualist accounts of the angelic fall; 9. Voluntarist and intermediary accounts of the angelic fall; 10. Necessary (and free?) obstinacy.

Tobias Hoffmann is Professor of Philosophy at The Catholic University of America. He has edited and co-edited several anthologies, including A Companion to Angels in Medieval Philosophy (2012) and Aquinas and the Nicomachean Ethics (with Jörn Müller and Matthias Perkams, Cambridge, 2013).

'This book provides an historically sound and philosophically sophisticated overview not only of medieval debates concerning the angelic freedom to sin, but also of the relevant discussions about human freedom. It should be read by anyone who is interested in the conditions under which wrongdoing might be possible.' Thomas Osborne, University of St Thomas, Houston

• Part I. Free Will: 1. Free will with and without Aristotle; 2. The psychological turn and the rise of intellectualism; 3. Voluntarism and the condemnation of intellectualism; 4. Intermediary theories and strict intellectualism; 5. Refinements and radicalizations; Part II. Whence Evil?: 6. Does evil have a cause?; 7. The will as the cause of evil; Part III. Angelic Sin: 8. Intellectualist accounts of the angelic fall; 9. Voluntarist and intermediary accounts of the angelic fall; 10. Necessary (and free?) obstinacy.