Introduction to Philosophy

7 February 2001

 

I.       The “method of doubt” in Meditation I

        

         A.     Epistemic overhaul

        

         B.      Dreaming argument

 

         C.      Extent of conclusion of dreaming argument?

 

         D.     Evil demon hypothesis

 

 

II.     The Cogito in Meditation II

 

         A.     I think, therefore I am.

                  1.      Stops the sceptical trend

                  2.      Conclusion cannot reasonably be doubted

 

         B.      Necessarily true vs self-verifying

                  1.      Imagine writing, “I am writing” or saying, “I am speaking.”

                  2.      Conclusion of Cogito is indubitable because doubt would be self-defeating

 

III.    The Cartesian circle

 

         A.     Abbreviations:

 

                  p:      whatever I perceive clearly and distinctly is true

                  q:      God exists and is no deceiver

 

                  Circle:

                  (1)     I can be certain that p only if first I am certain that q.

                  (2)     I can be certain that q only if first I am certain that p.

    

         B.      Escape from the Cartesian circle?

 

IV.    Locke

         A.     Rationalism vs Empiricism

         B.      Ideas vs qualities

                  1.      Idea: whatsoever the mind perceives in itself, or is the immediate object of perception, thought, or understanding

                  2.      Quality: The power to produce any idea in our mind