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Ideas for 'Philosophy of Mathematics', 'Existence and Quantification' and 'The Essence of Aesthetic'

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2 ideas

5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic

8789	Various strategies try to deal with the ontological commitments of second-order logic [Hale/Wright on Quine]

5. Theory of Logic / J. Model Theory in Logic / 2. Isomorphisms

10884

A theory is 'categorical' if it has just one model up to isomorphism [Horsten]