Combining Texts

Ideas for 'fragments/reports', 'The Possibility of Metaphysics' and 'Aesthetics: problems in the philosophy of criticism'

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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 / F. Set Theory ST / 1. Set Theory

8309	A set is a 'number of things', not a 'collection', because nothing actually collects the members [Lowe]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

8322	I don't believe in the empty set, because (lacking members) it lacks identity-conditions [Lowe]