The Canons refer to the “light of nature” and “notions about God, natural things, and the difference between what is moral and immoral,” which are common notions. The Synod limits the function of common notions, which are nonsaving and subject to the noetic effects of sin. But what, exactly, are common notions? Burgess writes: “The Law of Nature consists in those common notions which are ingrafted in all men’s hearts.” These include belief in the existence of God and a general knowledge of the difference