Get A Practical Theory of Programming (Monographs in Computer PDF

By Eric C.R. Hehner

There are numerous theories of programming. the 1st usable idea, referred to as "Hoare's Logic", remains to be essentially the most well known. 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 well known and heavily comparable conception through Dijkstra makes use of the weakest precondition predicate transformer, that's 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 another formalism that introduces a few designated operators and quantifiers to explain a few features of computation. the speculation during this publication is easier than any of these simply pointed out. In it, a specification is simply a boolean expression. Refinement is simply usual implication. This idea is additionally extra basic than these simply pointed out, using 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 limited 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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