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The laws of Occam programming. (English) Zbl 0719.68039
The authors describe an equational axiomatization of the semantics of OCCAM. They show that WHILE-free programs have a normal form, such that two programs are semantically equivalent if and only if their normal forms are syntactically equivalent. This shows that their equational axiomatization, together with an induction axiom, is a sound and complete proof system for proving the equivalence of OCCAM programs. The paper is very clearly written.

MSC:
68Q55 Semantics in the theory of computing
68N15 Theory of programming languages
68Q10 Modes of computation (nondeterministic, parallel, interactive, probabilistic, etc.)
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