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zbMath1249.03082MaRDI QIDQ2895841

N. A. Baklanova

Publication date: 13 July 2012

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

minimal cover numbering minimal element hyperarithmetical hierarchy Rogers semilattice

Mathematics Subject Classification ID

Undecidability and degrees of sets of sentences (03D35) Theory of numerations, effectively presented structures (03D45) Hierarchies of computability and definability (03D55)

Related Items (1)

Computable Families of Sets in the Ershov Hierarchy Without Principal Numberings

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