Question: Consider the following statement in predicate calculus: empty_class(C) X[takes(X; C)] (a) Translate this statement to clausal form. (b) Can you translate the statement into

Consider the following statement in predicate calculus:

empty_class(C)  ← ¬∃X[takes(X; C)]

(a) Translate this statement to clausal form.

(b) Can you translate the statement into Prolog? Does it make a difference whether you’re allowed to use \+?

(c) How about the following:

takes everything(X)   ∀C[takes(X; C)]

Can this be expressed in Prolog?

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