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Results tagged with lo.logic
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user 1496
first-order and higher-order logic, model theory, set theory, proof theory, computability theory, formal languages, definability, interplay of syntax and semantics, constructive logic, intuitionism, philosophical logic, modal logic, completeness, Gödel incompleteness, decidability, undecidability, theories of truth, truth revision, consistency.
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Is there a computable model of ZFC?
No, it cannot be computable. It's a theorem of Tennenbaum from the 50's that there is no computable, non-standard model of Peano arithmetic. If there were a computable model of ZFC, then it would gi …
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