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Ideas for 'fragments/reports', 'Friendship' and 'Summa Theologicae'

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2 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

23173

If a syllogism admits one absurdity, others must follow [Aquinas]

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens

8078	Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]