New PDF release: A Practical Theory of Programming (Monographs in Computer

By Eric C.R. Hehner

There are a number of theories of programming. the 1st usable concept, referred to as "Hoare's Logic", continues to be essentially the most widely recognized. In it, a specification is a couple of predicates: a precondition and postcondition (these and all technical phrases should be outlined in due course). one other renowned and heavily comparable concept via Dijkstra makes use of the weakest precondition predicate transformer, that is a functionality from courses and postconditions to preconditions. lones's Vienna improvement technique has been used to virtue in a few industries; in it, a specification is a couple of predicates (as in Hoare's Logic), however the moment predicate is a relation. Temporal good judgment is one more formalism that introduces a few distinct operators and quantifiers to explain a few features of computation. the speculation during this ebook is less complicated than any of these simply pointed out. In it, a specification is simply a boolean expression. Refinement is simply traditional implication. This thought can also be extra basic than these simply pointed out, utilizing to either terminating and nonterminating computation, to either sequential and parallel computation, to either stand-alone and interactive computation. And it contains time bounds, either for set of rules category and for tightly restricted real-time applications.

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A Practical Theory of Programming (Monographs in Computer Science) by Eric C.R. Hehner


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