This philosopher wrote A Treatise of Human Nature and An Enquiry Concerning Human Understanding.
Demea and Philo debate ways to prove God's existence in one work by this man, who outlined a third species of philosophy in another work. This author explained his "copy principle" by positing the existence of a "missing shade of blue." This author of Dialogues Concerning Natural Religion distinguished between "is" and "ought" with his namesake "fork." This philosopher wrote A Treatise of Human Nature and An Enquiry Concerning Human Understanding. For 10 points, name this Scottish empiricist philosopher.
Demea and Philo debate ways to prove God's existence in one work by this man, who outlined a third species of philosophy in another work.
David Hume