Combining Texts

Ideas for 'The Science of Knowing (Wissenschaftslehre) [1st ed]', 'What is a Law of Nature?st2=David M. Armstrong' and 'Axiomatic Theories of Truth'

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2 ideas

7. Existence / C. Structure of Existence / 2. Reduction
That Peano arithmetic is interpretable in ZF set theory is taken by philosophers as a reduction [Halbach]
7. Existence / D. Theories of Reality / 7. Facts / b. Types of fact
Negative facts are supervenient on positive facts, suggesting they are positive facts [Armstrong]