History
Constraint logic programming was introduced by Jaffar and Lassez in 1987. They generalized the observation that the term equations and disequations of Prolog II were a specific form of constraints, and generalized this idea to arbitrary constraint languages. The first implementations of this concept were Prolog III, CLP(R), and CHIP.
Read more about this topic: Constraint Logic Programming
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—Adonis [Ali Ahmed Said] (b. 1930)
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“History ... is, indeed, little more than the register of the crimes, follies, and misfortunes of mankind.
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—Georg Wilhelm Friedrich Hegel (1770–1831)