Formalizing Requirements Systematically
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“Structured Common Sense” (SCS) is a method for eliciting requirements and formalizing them in modal action logic (MAL). SCS was developed using the methodology of focussing on MAL’s principle concepts and abstract syntactic categories, and inventing or selecting techniques suitable for exactly those concepts. SCS is well suited to MAL because it is directly targeted on it.
We provide a brief review of MAL. The steps of SCS are outlined in more detail with illustrations from the specification of a simple system. The incorporation of temporal requirements, the structuring of larger specifications, iterative specification development and the role of tool support are discussed.
Index TermsRequirements analysis Formal specification Modal logic Temporal logic
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