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Line 17: Mixed domains, involving two or more of the above Constraint laguages are typically embedded in a host language. The first host language used was a [[logic programming\|logic language]] ([[Prolog]]), so the field was initially called ''Constraint Logic Programming''. The two paradigms share many important features, like logical variables (i.e., once a variable is assigned a value, it cannot be changed), [[backtracking]]. Nowadays, most [[Prolog]] implementations include one or more libraries for constraint logic programming. Some popular constraint languages are: [http://www.probp.com/ B-Prolog] ([[Prolog]] based)

Constraint programming: Difference between revisions