Brian Merrick
10-3-02
Phl202
Dream Arg.
Dream Arguments(analogy)
-layers of reality
-doesn't something have to exist in order to provide the raw materials from which dreams are made?
-Lucid dreaming
-We can know if were dreaming with right training and practice
-stephen leberge(author)
-We know what dreaming is(brain function)
-Skeptical attack on a posteriori knowledge(knowledge is based on sense perception)
-How do I know my senses are reliable?
-Scientific study of the brain
-sleep perception
-How do I know I'm not dreaming now?
-But the model presupposes a physical world of the type the senses portray.
-Circular reasoning
Arch Deceiver Argument
-Suppose a being of great power and intelligence is trying to fool you, all the time.
-How could you ever be justified in any belief?
-How do you know there isn't such a being?
-Attack on a priori knowledge(independent of sense experience)
-Math, Logic, Concepts
-ex.A bachelor is an unmarried male.