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Ideas for 'Metaphysics', 'Modes of Extension: comment on Fine' and 'The Possibility of Metaphysics'

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4 ideas

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

562	Axioms are the underlying principles of everything, and who but the philosopher can assess their truth? [Aristotle]

573	The axioms of mathematics are part of philosophy [Aristotle]

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]