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Q3998431 - MaRDI portal

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    17 September 1992
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    enumerability
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    halting problem for Turing machines
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    computability
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    undecidability of first-order logic
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    completeness and soundness of first- order logic
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    Skolem-Löwenheim theorem
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    representation of recursive functions in Robinson's arithmetic
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    Tarski's theorem on the undefinability of truth
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    Gödel's incompleteness theorems
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    Löb's theorem
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    non-standard models of arithmetic
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    second order logic
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    forcing
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    Addison's theorem
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    Presburger's theorem
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    Craig interpolation lemma
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    Beth definability theorem
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    decidability of monadic logic with identity
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    Ramsey's theorem
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    provability
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    modal logic
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    undecidable sentences
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