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'works', 'The Foundations of Mathematics' and 'works'
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5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle
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You would cripple mathematics if you denied Excluded Middle [Hilbert]
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5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction
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Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal]
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