 Price appended to the Review a “Dissertation on the Being and Attributes of the Deity”, in which he largely follows Samuel Clarke’s a priori arguments to show that there must be a first cause that is perfect in every respect. He begins with a version of the well-known argument from contingency, which proceeds from things that exist contingently to something that exists non-contingently, i.e., necessarily. Price accepts the argument but holds that previous writers have not properly explained the nature of the necessity of God’s existence. The necessity in question is not what he terms “relative” or “consequential” necessity, as when we say there must be a cause of every effect. Rather,