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Ideas for 'fragments/reports', 'Posterior Analytics' and 'Human Freedom and the Self'

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5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

12376	Demonstrations by reductio assume excluded middle [Aristotle]
	Full Idea: Demonstrations by reduction to the impossible assume that everything is asserted or denied.
	From: Aristotle (Posterior Analytics [c.327 BCE], 77a23)
	A reaction: This sounds like the lynchpin of classical logic.