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Everything about Guarded Command Language

Dijkstra notation with non-deterministic conditionals

The Guarded Command Language (GCL) is a programming language defined by Edsger Dijkstra for predicate transformer semantics in EWD472. 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 calculated. Wikipedia →

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  1. Read the overview: Guarded Command LanguageA 5-minute orientation
  2. Pick up a classic book: The influence of Greek ideas and usages upon the Christian churchThe most-reprinted book on the subject
  3. Read the landmark paper: Probabilistic models for the guarded command languageCited 108 times
  4. Go sideways: Predicate transformer semanticsA closely related topic
  5. Go sideways: PromelaA closely related topic

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