Combining Texts

Ideas for 'On the Philosophy of Logic', 'Chomsky on himself' and 'What is Cantor's Continuum Problem?'

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4 ideas

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

8943	Three-valued logic says excluded middle and non-contradition are not tautologies [Fisher]

4. Formal Logic / E. Nonclassical Logics / 4. Fuzzy Logic

8945	Fuzzy logic has many truth values, ranging in fractions from 0 to 1 [Fisher]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

8679	We perceive the objects of set theory, just as we perceive with our senses [Gödel]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / o. Axiom of Constructibility V = L

9942	Gödel proved the classical relative consistency of the axiom V = L [Gödel, by Putnam]