Combining Texts
Ideas for
'Axiomatic Theories of Truth', 'Briefings on Existence' and 'Letter to Frege 29.12.1899'
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5 ideas
4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic
16335
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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]
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4. Formal Logic / F. Set Theory ST / 1. Set Theory
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Every attempt at formal rigour uses some set theory [Halbach]
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4. Formal Logic / F. Set Theory ST / 2. Mechanics of Set Theory / b. Terminology of ST
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There is 'transivity' iff membership ∈ also means inclusion ⊆ [Badiou]
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4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / j. Axiom of Choice IX
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The axiom of choice must accept an indeterminate, indefinable, unconstructible set [Badiou]
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