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Elementary theories and hereditary undecidability for semilattices of numberings - MaRDI portal

Elementary theories and hereditary undecidability for semilattices of numberings (Q1734277)

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scientific article; zbMATH DE number 7043059
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English
Elementary theories and hereditary undecidability for semilattices of numberings
scientific article; zbMATH DE number 7043059

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    Elementary theories and hereditary undecidability for semilattices of numberings (English)
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    27 March 2019
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    computability theory
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    numbering theory
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    computably enumerable equivalence relation
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    hereditary undecidability
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    elementary definability
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    first order arithmetic
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    second order arithmetic
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    upper semilattice
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    Rogers semilattice
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