1. If A $ B means A is the brother of B; A @ B means A is the wife of B; A # B means A is the daughter of B and A B means A is the father of B, which of the following indicates that U is the father-in-law of P?
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By: guest on 02 Jun 2017 02.08 am
P @ Q → P is the wife of Q ...(1) Q $ T → Q is the brother of T ...(2) T # U → T is the daughter of U Hence, → Q is the son of U ...(3) U * W → U is the father of W. From (1) and (3), U is the father-in-law of P.