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Unit 10 · Artificial Intelligence (AI) Paper 2 CS · September 2022

Given below are two statements:
Statement I: "A grandparent is a parent of one's parent."
Statement II: The first-order predicate logic (FOPL) representation of the above statement is ∀g, c grandparent(g, c) ⇔ ∃p parent(g, p) ∧ parent(p, c).
Choose the most appropriate answer.

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Correct answer: A. Both Statement I and Statement II are correct

Explanation

g is a grandparent of c exactly when g is a parent of some p who is a parent of c; the formula says that.

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