By Eric C. R. Hehner
Communications of the ACM,
February 1984,
Vol. 27 No. 2, Pages 134-143
10.1145/69610.357988
Comments
Programs are given a new semantics with the merit that a specification written as a first-order predicate can be refined, step by step, to a program via the rules of Predicate Calculus. The semantics allows a free mixture of predicate and programming notations, and manipulation of programs.
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