Get A Practical Theory of Programming (Monographs in Computer PDF

By Eric C.R. Hehner

There are a number of theories of programming. the 1st usable idea, referred to 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 similar conception via Dijkstra makes use of the weakest precondition predicate transformer, that is a functionality from courses and postconditions to preconditions. lones's Vienna improvement process 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 precise operators and quantifiers to explain a few elements of computation. the idea during this ebook is easier than any of these simply pointed out. In it, a specification is simply a boolean expression. Refinement is simply traditional implication. This conception is additionally extra common than these simply pointed out, employing 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 type 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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