John Duns Scotus is arguably one of the most significant philosopher theologians of the middle ages who has often been overlooked. This book serves to recover his rightful place in the history of Western philosophy revealing that he is in fact one of the great masters of our philosophical heritage. Among the fields to which Scotus has made an immense contribution are logic, metaphysics, philosophy of mind and action, and ethical theory. The Philosophy of John Duns Scotus provides a formidable yet comprehensive overview of the life and works of this Scottish-born philosopher. Vos has successfully combined his lifetime of dedicated study with the significant body of biographical literature, resulting in a unique look at the life and works of this philosopher theologian. This book will be a valuable addition to any collection on the History of Philosophy.