Upon completing this chapter you should be able to:
1. Explain the similarities and differences between the metaphysics of Plato, Plotinus and St. Augustine.
2. Define skepticism and distinguish between total and modified skepticism, and between Academic skeptics and Pyrrhonic skeptics.
3. Explain Sextus Empiricus's basic argument for Pyrrhonic skepticism.
4. Identify Hypatia and describe her importance to ancient scholarship in astronomy and mathematics.
5. Show how Aquinas distinguished between philosophy and theology and how he blended Aristotle with Christianity in his metaphysics, epistemology and treatment of soul and God.