backward chaining

Computing Dictionary

backward chaining definition

An algorithm for proving a goal by recursively breaking it down into sub-goals and trying to prove these until facts are reached. Facts are goals with no sub-goals which are therefore always true. Backward training is the program execution mechanism used by most logic programming language like Prolog.
Opposite: forward chaining.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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