Chapter 3 Exam Notes.docx - Study Guide for Unit Exam Descartes dream and evil deceiver arguments the Cogito(I think therefore I am Dream The point is

Chapter 3 Exam Notes.docx - Study Guide for Unit Exam...

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Study Guide for Unit Exam: Descartes' dream and evil deceiver arguments, the Cogito (I think, therefore, I am) Dream: The point is that no test will guarantee if you’re awake or dreaming. You can pinch yourself in a dream or awake and it can still hurt. If you cannot prove you are awake you might be dreaming and observations cannot be absolutely reliable. Evil Deceiver: Adding two and two together will always equal four. But there could be an evil demon deceiving us every time we add the numbers together and possibly tricking us to get the wrong answer. So even math is not reliable. By rejecting anything that could be false, he rejected everything. But thinking up a demon showed him a way out of this dilemma. Even if he was being tricked by a demon, he still existed. To be deceived, he had to exist. Therefor the belief “I exist” was the starting point he was looking for. To have a wrong belief, he must exist to have that wrong belief. “I think, therefore I am.” If I am thinking, even wrong, I must exist. That you can be absolutely sure of. He was a thinking soul not a body. Can be mistaken of body but not mind or thinking. Not the same as body but is a conscious mind. Rationalism: Epistemology tradition which claims certain knowledge can be found independent of experience. (a priori) Thinks we can grasp certain unquestionable knowledge independent of experience. The empiricist say knowledge comes from experience, Rationalists say we can have knowledge without experience. A Priori: Prior to experience, independent of experience. Methodic doubt: by process of elimination, discover certain, indubitable truth by rejecting whatever can be doubted. 6 Meditations on Knowledge Does philosophy for personal reasons. Doubt everything until I find what endures. Sift through crap to get to the good stuff. If it cannot be doubted than it must be indubitable. Dream Argument
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Argument against the senses. Says we also believe our dreams. You get the same feeling of certainty in a dream as waking conscious experience. Your body believes your dreams. If you are falling you wake up. Happy dreams make you happy until you realize they weren’t real. The body can act to a dream that is false as if it were true. The mind reminded the body it was false. Is being awake really any different than dreams accept longer, not interrupted, so dreams don’t really differ from dreams. Awake can be a longer more consistent dream Maybe we can’t trust that certainty so we have to trust something more certain than that which is our mind. So disbelieves the sensory certainty, it can be doubted. Knowledge in mind that does not come from the senses, mathematics. These are not learned from the senses. No one needs to see them or experience them for those truths to be knowable or certain. They are definitions, they are not experienced objects.
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