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Unformatted text preview: 10/8/ Descartes (1596 1650)- Authority is fallible- Moving earth around the sun- System of cosmology, put it aside after Galileos troubles- Not the right strategy to believe first and then come to understanding- Get foundation for understanding first (not based on belief)- Authority can deceive us, so can our senses o We cant feel the motion of cosmology- Discovered law of inertia, criticism on optics, medicine, physiology, founder of modern philosophy for mostly substance dualism Foundationalist- For making progress- Method: Doubt in the beginning (logical) o Skepticism- thinks doubt is what you are striving to achieve, the end (like truth) o Descartes is not a skeptic, but he employs the method of doubt (as a mean, not end) o Doubt is method of the senses o Different things tell the same thing about an object o Abstract to the senses (things that we get: shape, number, figure) o These elements and the relationship b/w them is linked to the senses We are deceived- In dreams, perception, etc- Created in the image of god, it doesnt make sense that he doesnt want us to be deceived- We should doubt what we sense Nothing in certain- We could always be tricked, dreaming...
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