Theory of Knowledge (Epistemology) Augustine...

Theory of Knowledge (Epistemology) Augustine, who during his formation in philosophy had made contact with the Skepticism of the Academicians, knew that the problem of knowledge involved two difficulties, one regarding the existence of the knowing subject (which fact was denied by the Academicians), and the other regarding the origin of knowledge itself.

As for the first question, Augustine overcame the Skepticism of the Academy and arrived at the affirmation of the existence of the knowing subject with the famous argument: "If I doubt, I exist -- Si fallor, sum." Regarding the second question, i.e., the origin of knowledge, Augustine as a Platonist underrates sensitive cognition, which he does not make the foundation of intellective knowledge. (Thus he differs radically from Aristotle and Aquinas…