# PHLA10H3 Lecture Notes - Lecture 2: Reductio Ad Absurdum

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## Document Summary

Exercise 2: here"s a little logical puzzle: you are in a strange land where everyone is either a knight or a knave. Knights always tell the truth; knaves always lie. You meet two of them, a and b. If a says we are both knaves , and he is telling the truth then a would have to be knight but that would not work because it just lied and said they are both knaves. God"s characteristics as aquinas understood it are a) personal, as in god cares about you or does not. The primary difference is that aquinas believed that motion requires an outside force, and if the force is removed, the object stops moving. Meanwhile newton believed it is acceleration, not simply change in position that requires a force. Newton believed that if an object isn"t acted on by a force, it won"t accelerate, which means it will remain at rest or in uniform motion.

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