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Ideas for 'Axiomatic Theories of Truth (2005 ver)', 'The Nature of Mathematics' and 'Aspects of the Theory of Syntax'

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2 ideas

5. Theory of Logic / C. Ontology of Logic / 1. Ontology of Logic
We can use truth instead of ontologically loaded second-order comprehension assumptions about properties [Halbach]
5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism
Logic, unlike mathematics, is not hypothetical; it asserts categorical ends from hypothetical means [Peirce]