PHIL 1 Lecture 7: Phil 1 Lecture 7
Document Summary
Therefore, there are at least two objects in the external world. (from 1. 2) A moorean fact: one of those things that we know better than we know the premises of any philosophical argument to the contrary. If a skeptical scenario causes you to doubt your basic belief that you have hands, you ought to instead doubt that skeptical scenario . Descartes is worried that he may be dreaming, or worse, deceived by an evil demon so powerful that even basic arithmetic is doubtful. Most (if not all) knowledge is denied to descartes. The proposition cannot be doubted because it is incorrigible. Merely considering it guarantees that it is true. What is a thing which thinks? it is a thing which doubts, understands, conceives, affirms, denies, wills, refuses, which also imagines and feels. I can doubt the existence of my body. I cannot doubt the existence of my mind, a thinking thing.
