Combining Texts

Ideas for 'Metaphysics', 'Survival and Identity, with postscript' and 'Category Mistakes'

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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]

4. Formal Logic / E. Nonclassical Logics / 8. Intensional Logic

18040

Intensional logic maps logical space, showing which predicates are compatible or incompatible [Magidor]