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Ideas for 'Axiomatic Theories of Truth (2005 ver)', 'Phil Applications of Cognitive Science' and 'Regressive Method for Premises in Mathematics'

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5 ideas

5. Theory of Logic / C. Ontology of Logic / 1. Ontology of Logic

15652

We can use truth instead of ontologically loaded second-order comprehension assumptions about properties [Halbach]

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 / K. Features of Logics / 1. Axiomatisation

17629

Which premises are ultimate varies with context [Russell]

17630

The sources of a proof are the reasons why we believe its conclusion [Russell]

17640

Finding the axioms may be the only route to some new results [Russell]