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Ideas for 'Axiomatic Theories of Truth (2005 ver)', 'Substance and Essence in Aristotle' and 'The Tarskian Turn'

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2 ideas

5. Theory of Logic / E. Structures of Logic / 7. Predicates in Logic

15651

Instead of saying x has a property, we can say a formula is true of x - as long as we have 'true' [Halbach]

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]