Titlebook: Software Specification Methods; An Overview Using a Marc Frappier,Henri Habrias Book 2001 Springer-Verlag London Limited 2001 Clean.Coq.La

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B: A Model-Based Method Using Generalised Substitutionson. The B notation is formal: it has an axiomatic semantics based on the weakest-precondition calculus of Dijkstra [6]. Abrial has significantly extended the initial set of Diskstra’s guarded commands, proposing a complete specification and design notation scalable to large system development. Some

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An Abstract and Constructive Specification in Coqstem of Coq is used to make our specification both very abstract and eventually executable. This ensures that an implementation can be found. Indeed, we . mathematical structures or functions whenever possible, instead of specifying them with axioms. If the axiomatic way turns out better, we look fo

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