Combining Texts

Ideas for 'fragments/reports', 'Writing the Book of the World' and 'Preface to Great Instauration (Renewal)'

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2 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
Modal accounts of logical consequence are simple necessity, or essential use of logical words [Sider]
5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]