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  2. Guarded Command Language - Wikipedia

    en.wikipedia.org/wiki/Guarded_Command_Language

    The Guarded Command Language (GCL) is a programming language defined by Edsger Dijkstra for predicate transformer semantics in EWD472. [1] It combines programming concepts in a compact way. It makes it easier to develop a program and its proof hand-in-hand, with the proof ideas leading the way; moreover, parts of a program can actually be ...

  3. Guard (computer science) - Wikipedia

    en.wikipedia.org/wiki/Guard_(computer_science)

    Guards are the fundamental concept in Guarded Command Language, a language in formal methods. Guards can be used to augment pattern matching with the possibility to skip a pattern even if the structure matches. Boolean expressions in conditional statements usually also fit this definition of a guard although they are called conditions.

  4. Predicate transformer semantics - Wikipedia

    en.wikipedia.org/wiki/Predicate_transformer...

    Predicate transformer semantics were introduced by Edsger Dijkstra in his seminal paper "Guarded commands, nondeterminacy and formal derivation of programs".They define the semantics of an imperative programming paradigm by assigning to each statement in this language a corresponding predicate transformer: a total function between two predicates on the state space of the statement.

  5. GCL - Wikipedia

    en.wikipedia.org/wiki/GCL

    Download QR code; Print/export Download as PDF; ... Guarded Command Language, used for predicate transformer semantics; Graphical Command Language of Geomview; Honours

  6. Install or Uninstall AOL Tech Fortress powered by AppGuard

    help.aol.com/articles/install-and-uninstall-aol...

    AOL Tech Fortress is supported on Windows: Microsoft Windows 7 SP1 or later. One PC per purchase. Minimum configuration of 1GB RAM and 100 megabytes of free hard disk space, 1.80 GHz or faster 2 cores and x86/x64 compatible architectures. Also compatible with Windows Surface Pro and Surface Pro 2 tablets.

  7. Guarded commands - Wikipedia

    en.wikipedia.org/?title=Guarded_commands&redirect=no

    Download as PDF; Printable version; In other projects Appearance. move to sidebar hide. From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Guarded ...

  8. Conditional (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Conditional_(computer...

    The Guarded Command Language (GCL) of Edsger Dijkstra supports conditional execution as a list of commands consisting of a Boolean-valued guard (corresponding to a condition) and its corresponding statement. In GCL, exactly one of the statements whose guards is true is evaluated, but which one is arbitrary.

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