Combining Texts

Ideas for 'Parmenides', 'Understanding' and 'Axiomatic Theories of Truth'

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3 ideas

4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic

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In Strong Kleene logic a disjunction just needs one disjunct to be true [Halbach]

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In Weak Kleene logic there are 'gaps', neither true nor false if one component lacks a truth value [Halbach]

4. Formal Logic / F. Set Theory ST / 1. Set Theory

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Every attempt at formal rigour uses some set theory [Halbach]