PHL105Y5 Lecture Notes - Lecture 6: Cogito Ergo Sum, Reductio Ad Absurdum
Document Summary
Descartes begins meditation )) with a review of position to which he has been led. Am not ) at least something? (e continues: But ) have just said that ) have no senses and no body. But ) have convinced myself that there is absolutely nothing in the world, no sky, no earth, no minds, no bodies. No: if ) convinced myself of something then ) certainly existed. But there is a deceiver of supreme power and cunning who is deliberately and constantly deceiving me. Suppose that ) am deceived in thinking that ) exist. (cid:884). )f ) am deceived about anything, then ) exist. )f ) am deceived in thinking that ) exist, then ) exist. (cid:523)from (cid:884)(cid:524) Therefore, (cid:886). ) exist. (cid:523)mp, (cid:883) and (cid:885)(cid:524) (cid:887). )f ) exist, then ) am not deceived in thinking that ) exist.
