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Ideas for 'Metaphysics', 'Grundlagen der Arithmetik (Foundations)' and 'De Mundo Praesenti'

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3 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]

9154	Frege agreed with Euclid that the axioms of logic and mathematics are known through self-evidence [Frege, by Burge]