Combining Philosophers
Ideas for Peter Geach, Gottfried Leibniz and Yuval Noah Harari
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9 ideas
2. Reason / B. Laws of Thought / 1. Laws of Thought
19404
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Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz]
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19360
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General principles, even if unconscious, are indispensable for thinking [Leibniz]
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2. Reason / B. Laws of Thought / 2. Sufficient Reason
5042
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For every event it is possible for an omniscient being to give a reason for its occurrence [Leibniz]
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4642
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No fact can be real and no proposition true unless there is a Sufficient Reason (even if we can't know it) [Leibniz]
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3646
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There is always a reason why things are thus rather than otherwise [Leibniz]
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2104
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No reason could limit the quantity of matter, so there is no limit [Leibniz]
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3347
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Leibniz said the principle of sufficient reason is synthetic a priori, since its denial is not illogical [Leibniz, by Benardete,JA]
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2098
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The principle of sufficient reason is needed if we are to proceed from maths to physics [Leibniz]
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2. Reason / B. Laws of Thought / 6. Ockham's Razor
19342
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Reason avoids multiplying hypotheses or principles [Leibniz]
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