Function VALUE

• Defined in theory: Kif-relations
• Source code: kif-relations.lisp

Slots on this function:

Documentation:

If $tau$ denotes a function with a value for the objects denoted by $tau_1$,..., $tau_k$, then the term {tt (value $tau$ $tau_1$ ... $tau_k$)} denotes the value of applying that function to the objects denoted by $tau_1$,...,$tau_k$. Otherwise, the value is undefined.

Instance-Of: Function

Axioms:

(Undefined (Arity Value))

Other Related Axioms:

(<- (Value ?F @Args)
    (If (And (Function ?F)
             (Member ?List ?F)
             (= (Butlast ?List) (Listof @Args)))
        (Last ?List)))

(Instance-Of (Arity Value) Undefined)

(<- (Apply ?F ?List)
    (If (And (Function ?F) (= ?List (Listof @Args)))
        (Value ?F @Args)))

(<- (Map ?F ?List)
    (If (Null ?List)
        (Listof)
        (Cons (Value ?F (First ?List)) (Map ?F (Rest ?List)))))