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JOURNALS // Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika // Archive
Izv. Vyssh. Uchebn. Zaved. Mat., 2014 Number 5, Pages 53–58 (Mi ivm8894)
Arithmetical level of a class of superhigh sets

M. Kh. Faizrakhmanov

Chair of Algebra and Mathematical Logic, Kazan (Volga Region) Federal University, 18 Kremlyovskaya str., Kazan, 420008 Russia

Abstract: We find the proper arithmetical level of the class of superhigh sets.

Keywords: superhigh set, arithmetical hierarchy, arithmetical class.

UDC: 510.53

Received: 27.11.2012


 English version: Russian Mathematics (Izvestiya VUZ. Matematika), 2014, 58:5, 43–47

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© Steklov Math. Inst. of RAS, 2024