Repetition is common in program logic; for example, keep scanning the input until you find "xyz." In high-level languages, DO LOOPS and FOR LOOPS accomplish this repetition.

Logic models are a visual representation of your program. They display the resources available for your program, the short and long-term goals for your trainees and the activities that you have ...

Picat is a new logic-based programming language. In many ways, Picat is similar to Prolog, especially B-Prolog, but it has functions in addition to predicates, pattern-matching instead of unification ...