2.  How did Locke define "knowledge"?

3.  What is the empiricist thesis?

4.  What is Leibniz's principle of sufficient reason?

5.  How did Locke try to show that minds and bodies are separate and distinct substances?

6.  What does it mean for Leibniz to claim that we are metaphysically necessitated but morally free?

7.  What is Descartes's explanation of the problem of error (Med. IV)?

8.  Why did Locke claim that "sensitive" knowledge really wasn't knowledge at all?

9.  What are two of Locke's arguments against the doctrine of innate ideas?

10. How does Berkeley show that there is no distinction between primary and secondary qualities?

11. What is the representative theory of perception?

12. How does Berkeley show that the existence of matter involves a contradiction?

13. What, for Berkeley, is wrong with the representative theory of perception?

14. What were Descartes' grounds for doubt?

15. What does it mean for Berkeley to say that "to be is to be perceived or to perceive"?

16. What was Descartes's first certainty and how did he come to this conclusion?