Abstract
Circus is a concurrent language for refinement; it is a unification of imperative CSP, Z, and the refinement calculus. We describe the language of Circus and the formalisation of its model in Hoare & He’s unifying theories of programming.
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Woodcock, J., Cavalcanti, A. (2002). The Semantics of Circus . In: Bert, D., Bowen, J.P., Henson, M.C., Robinson, K. (eds) ZB 2002:Formal Specification and Development in Z and B. ZB 2002. Lecture Notes in Computer Science, vol 2272. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45648-1_10
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