Ray Reiter

Raymond Reiter (June 12, 1939 – September 16, 2002), was a Canadian computer scientist and logician. He was one of the founders of the field of non-monotonic reasoning with his work on default logic, model-based diagnosis, closed world reasoning, and truth maintenance systems. He also contributed to the situation calculus.

He was a fellow of the ACM, the AAAI, and the Royal Society of Canada. He won the IJCAI Award for Research Excellence in 1993.

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