William Alvin Howard
William Alvin Howard (born 1926) is a proof theorist best known for his work demonstrating formal similarity between intuitionistic logic and the simply typed lambda calculus that has come to be known as the Curry–Howard correspondence. He has also been active in the theory of proof-theoretic ordinals. He earned his Ph.D. at the University of Chicago in 1956 for a dissertation entitled "k-fold recursion and well-ordering". He was a student of Saunders Mac Lane.
The Howard ordinal (also known as the Bachmann–Howard ordinal) was named after him.
- Entry for William Alvin Howard at the Mathematics Genealogy Project.
- Howard, W. A.; Kreisel, G. (September 1966). "Transfinite Induction and Bar Induction of Types Zero and One, and the Role of Continuity in Intuitionistic Analysis". The Journal of Symbolic Logic. Association for Symbolic Logic. 3 (3): 325–358. doi:10.2307/2270450. JSTOR 2270450.
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