Philosophical Scepticism and Ordinary Beliefs
Dissertation, University of California, Berkeley (
1984)
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Abstract
In ordinary life we think that we know many things about the world. I know that I am sitting here. I know that it is not raining. I know that Reagan is President--and many more interesting things. We also think that we know things of a more general sort, e.g., that there are tables, chairs, physical objects, other people. Most of the time, we believe that we have good reasons for our beliefs. Descartes, Hume and Russell, however, as a result of philosophical reflection, discover that we cannot know, nor do we have any good reason for our beliefs. ;Thomas Reid and G. E. Moore reject the sceptic's negative conclusions. They think scepticism is absurd, ridiculous and contrary to common sense. It is contrary to what we believe in ordinary life. These commonsense philosophers do not find the sceptical arguments compelling. They argue that scepticism is not as well supported as the ordinary view that we do know. ;A large part of my dissertation is a defense of scepticism against these commonsense philosophers' objections. I argue that Reid and Moore fail to appreciate the power and significance of scepticism. They fail to understand the relation between philosophical scepticism and ordinary life. A proper understanding of Humean scepticism thwarts any attempt to argue from ordinary life against scepticism. ;Still, I argue that Hume was concerned, indeed distressed, by the conflict between scepticism and ordinary life. But he does not think that conflict casts doubt on the truth of scepticism. I argue that Hume feels "philosophical melancholy" over his discoveries about human nature and the human condition. But his distress is totally at the philosophical level. That is because the recognition of the conflict between ordinary life and philosophical reflection is distressing at the philosophical level. I argue that Hume is right to feel the distress that he does, but I also maintain that he should be dissatisfied with his negative appraisal of our epistemic position, just as we are. ;Reid and Moore are right to be dissatisfied with scepticism, even though their attempts to legitimize that dissatisfaction fail. Their failure to appreciate the nature and importance of scepticism, however, is instructive because it forces us to explain why there is thought to be a problem about knowledge. They force us to express what is indeed difficult to express, namely, what it is that we want to understand when we undertake a philosophical investigation of knowledge. . . . UMI