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  (2 items found)
Title Author / Artist Prod Type ISBN/ISBN-13
or UPC		 Pub
Date		 Price
A Hierarchy of Turing Degrees: A Transfinite Hierarchy of Lowness Notions in the Computably Enumerable Degrees, Unifying Classes, and Natural DefinabDowney, RodHardcover0691199655 /
9780691199658		06/2020$174.80
A Hierarchy of Turing Degrees: A Transfinite Hierarchy of Lowness Notions in the Computably Enumerable Degrees, Unifying Classes, and Natural DefinabDowney, RodPaperback0691199663 /
9780691199665		06/2020$79.80
  (2 items found)