Literature/1975/Dijkstra
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SemanticsEdit
At the moment G is encountered in a calculation, it is evaluated.
- If G is true, execute S.
- If G is false, look at the context to decide what to do (in any case, do not execute S).
WikimediaEdit
Related worksEdit
- (1976). A Discipline of Programming. Prentice-Hall Series in Automatic Computation. A systematic introduction to a version of the guarded command language with many worked examples.
ReviewsEdit
CommentsEdit
NotesEdit
http://books.google.com/advanced_book_search
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| The shade of the bar looks invariant in isolation but variant in context, in (favor of) sharp contrast with the color gradient background, hence an innate illusion we have to reasonably interpret and overcome as well as the mirage. Such variance appearing seasonably from context to context may not only be the case with our vision but worldview in general in practice indeed, whether a priori or a posteriori. Perhaps no worldview from nowhere, without any point of view or prejudice at all!
Ogden & Richards (1923) said, "All experience ... is either enjoyed or interpreted ... or both, and very little of it escapes some degree of interpretation." H. G. Wells (1938) said, "The human individual is born now to live in a society for which his fundamental instincts are altogether inadequate." |