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Logic Programming – Semantics

  • A Herbrand Interpretation I is a subset of the Herbrand Base B for a program

    • The domain of a Herbrand interpretation is the Herbrand Universe U

    • Constants are assigned to themselves

    • Every function symbol is interpreted as the function that applies it

      • If f is an n-ary function symbol (n>0) then the mapping from Un to U defined by (t1, …, tn) → f(t1, …, tn) is assigned to f


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