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Ideas for 'fragments/reports', 'Modality' and 'From Metaphysics to Ethics'

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4 ideas

4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic

8077	Stoic propositional logic is like chemistry - how atoms make molecules, not the innards of atoms [Chrysippus, by Devlin]

4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / e. Axioms of PL

20791

Chrysippus has five obvious 'indemonstrables' of reasoning [Chrysippus, by Diog. Laertius]

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

5737	Predicate logic has connectives, quantifiers, variables, predicates, equality, names and brackets [Melia]

4. Formal Logic / D. Modal Logic ML / 1. Modal Logic

5744	First-order predicate calculus is extensional logic, but quantified modal logic is intensional (hence dubious) [Melia]