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Ideas for 'On What Grounds What', 'The Metaphysics of Modality' and 'The Tarskian Turn'

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2 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / d. and

12010

Is the meaning of 'and' given by its truth table, or by its introduction and elimination rules? [Forbes,G]

5. Theory of Logic / E. Structures of Logic / 8. Theories in Logic

15328

A theory is 'non-conservative' if it facilitates new mathematical proofs [Horsten]