guarded horn clauses

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Guarded Horn Clauses definition

language
(GHC) A parallel dialect of Prolog by K. Ueda in which each clause has a guard. GHC is similar to Parlog. When several clauses match a goal, their guards are evaluated in parallel and the first clause whose guard is found to be true is used and others are rejected. It uses committed-choice nondeterminism.
See also FGHC, KL1.
(1995-05-09)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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