| The Undecidable, Basic Papers On Undecidable Propositions, Unsolvable Problems And Computable Functions (Including) Five Papers From Godel, Including Godel's "On Undecidable Propositions Of Formal Mathematical Systems" Etc., With New Supplementary Material From Godel, And Turing's "On Computable Numbers." And "Systems Of Logic Based On Ordinals", Also New Supplementary Material From Kleene For His Two Papers Martin Davis (Editor); Kurt Godel, Alonzo Church, Alan M. Turing, J. B. Rosser, Stephen C. Kleene, Emil Post; Signed Bookplate Of Hal Berghel / Used - Hardcover | 1st Edition Signed Near fine Dust Jacket | $442.75 |