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Ideas for
'Thinking About Mathematics', 'On Fate ('De fato')' and 'Freedom and Reason'
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5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence
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How can the not-true fail to be false, or the not-false fail to be true? [Cicero]
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5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle
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Intuitionists deny excluded middle, because it is committed to transcendent truth or objects [Shapiro]
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