This is an introduction to the philosophy of the 13th century Franciscan John Duns Scotus. The text brings together key insights of Scotus's theory of cognition, metaphysics and ethics in a comprehensive and unified manner. The authors use critical texts and the most recent scholarship on Scotus to introdce the inticrate vision of the Subtle Doctor to a wide audience. its connection to questions belonging to natural theology: the existence of God, divine freedom and perfection. It presents historical information on Scotus himself, but additionally on the philosophical context in which he...