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Ideas for 'Confessions', 'On Fate ('De fato')' and 'Summa totius logicae'

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2 ideas

5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence

21677

How can the not-true fail to be false, or the not-false fail to be true? [Cicero]

5. Theory of Logic / G. Quantification / 1. Quantification

9106	The word 'every' only signifies when added to a term such as 'man', referring to all men [William of Ockham]