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Ideas for 'fragments/reports', 'Essays on Intellectual Powers 2: Senses' and 'Fourfold Root of Princ of Sufficient Reason'

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2 ideas

2. Reason / B. Laws of Thought / 2. Sufficient Reason

5969	Chrysippus said the uncaused is non-existent [Chrysippus, by Plutarch]

21918

Sufficient Reason can't be proved, because all proof presupposes it [Schopenhauer, by Lewis,PB]