Eric C.R. Hehner's A Practical Theory of Programming (Monographs in Computer PDF

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By Eric C.R. Hehner

ISBN-10: 0387941061

ISBN-13: 9780387941066

There are numerous theories of programming. the 1st usable thought, known as "Hoare's Logic", continues 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 can be outlined in due course). one other well known and heavily comparable thought by way of Dijkstra makes use of the weakest precondition predicate transformer, that is a functionality from courses and postconditions to preconditions. lones's Vienna improvement approach 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 common sense is another formalism that introduces a few precise operators and quantifiers to explain a few points 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 idea is usually extra normal 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 comprises time bounds, either for set of rules class 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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