Isomorphism types of the hyperarithmetic sets ${\bf H}_a$.

George C. Nelson

doi:10.1305/ndjfl/1093888204

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Home > Journals > Notre Dame J. Formal Logic > Volume 19 > Issue 1 > Article

January 1978 Isomorphism types of the hyperarithmetic sets ${\bf H}_a$.

George C. Nelson

Notre Dame J. Formal Logic 19(1): 1-19 (January 1978). DOI: 10.1305/ndjfl/1093888204

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Notre Dame J. Formal Logic

Vol.19 • No. 1 • January 1978

Duke University Press

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George C. Nelson "Isomorphism types of the hyperarithmetic sets ${\bf H}_a$.," Notre Dame Journal of Formal Logic, Notre Dame J. Formal Logic 19(1), 1-19, (January 1978)

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