3.2 Changes in RequirementsThe requirements for a particular system or piece of software typically undergo a considerable amount of change during the course of a project. Changes to requirements may be necessary as a result of changes in t…

Styles of semantics Operational. Meanings for program phrases defined in terms of the steps of computation they can take during program execution. Axiomatic. Meanings for program phrases defined indirectly via the axioms and rules of some …