deductive database
<database>
A combination of a conventional database containing facts, a knowledge base containing rules, and an inference engine which allows the derivation of information implied by the facts and rules.
Commonly, the knowledge base is expressed in a subset of first-order logic and either a SLDNF or Datalog inference engine is used.Last updated: 1995-04-27
deductive tableau
<tool>
A theorem proof system consisting of a table whose rows contain assertions or goals. Variables in assertions are implicitly universally quantified and variables in goals are implicitly existentially quantified. The declarative meaning of a tableau is that if every instance of every assertion is true then some instance of at least one of the goals is true.
Last updated: 1994-12-07
Nearby terms:
dedicated line ♦ deductive database ♦ deductive tableau ♦ Deep Blue
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