Once again, he can begin to wonder whether it was an evil demon who caused him to believe in the certainty of these truths.
Suddenly, things do not look too rosy for his system of certain knowledge; if he needs to keep every truth perpetually before his mind, then he cannot expect too make much headway in unraveling the facts of nature.
The first one, found in I.14, is a version of the ontological argument for God's existence.
Descartes' ontological argument goes as follows: (1) Our idea of God is of a perfect being, (2) it is more perfect to exist than not to exist, (3) therefore, God must exist.
The Ontological Argument is also deductive and analytic as the premises of a deductive argument contain the conclusion that it reaches and is structured so that its conclusion is the only possible one that could be deduced from its premises.
As it is analytic it is true by definition alone and therefore this argument reaches conclusions about the existence of God based on the definitions of God used in its previous premises.
An analysis essay assumes that you break a larger subject into subcategories and then examine each of them to form an opinion about the whole.
After you have taken a problem apart, you must describe its components, explain how they are interrelated, and ...
Formal reality is the reality that anything has in virtue of existing. Formal reality comes in three grades: infinite, finite, and mode. An idea, insofar as it is considered as an occurent piece of thought, has modal formal reality (since any particular thought, as we will see later, is just a mode of mind).
God is the only existing thing with infinite formal reality. Ideas, however, also have another kind of reality, unique to them.