Who is M to P? Decide which statements are necessary. Facts given: M is the father of N, and N is the son of V. Which additional statement(s) are needed to determine the relation of M to P? (1) P is the brother of V. (2) The daughter of N is the g…

Question

Who is M to P? Decide which statements are necessary.  Facts given: M is the father of N, and N is the son of V.  Which additional statement(s) are needed to determine the relation of M to P? (1) P is the brother of V. (2) The daughter of N is the g…

Accepted Answer

Core deduction N is son of V ⇒ V is a parent of N. M is father of N ⇒ M and V are the two parents of N ⇒ M is the husband of V. Determine M ↔ P If (1) P is brother of V, then P is M’s brother-in-law. Relation is fixed. Why (2) is not needed “Daughte…

Who is M to P? Decide which statements are necessary. Facts given: M is the father of N, and N is the son of V. Which additional statement(s) are needed to determine the relation of M to P? (1) P is the brother of V. (2) The daughter of N is the granddaughter of V. Choose the correct necessity.

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