15. Given the following set of clauses: 1 father (X, Y): 2 parent (X, Y), 3 male (X), 4 parent (Sally, Bob), 5 parent (J

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15 Given The Following Set Of Clauses 1 Father X Y 2 Parent X Y 3 Male X 4 Parent Sally Bob 5 Parent J 1 (116 KiB) Viewed 31 times

15. Given the following set of clauses: 1 father (X, Y): 2 parent (X, Y), 3 male (X), 4 parent (Sally, Bob), 5 parent (Jim, Bob), 6 parent (Alice, Jane), 7 parent (Thomas, Jane), 8 male (Bob), 9 male (Jim), 10 female (Salley), 11 female (Alice). How many atoms are matched to the variable 'X' for the query father (X, Jane)? A. 1 B. 2 C. 3 D. 4 16. Let' VEG(X) mean X is a vegetarian, Meat (Y) for Y is meat, and EAT(X,Y) for X cats Y. Based on these, consider the following sentences: I. V x VEG (x) (Vy EAT (x,y) →→ MEAT (y)) II. V x VEG (x) + (-(3 y MEAT (y) A EAT (x,y))) III. V x (3 y MEAT (y) A EAT (x,y)) → ¬ VEG (X) A. Only I and II are equivalent sentences B. Only II and III are equivalent sentences C. Only I and III are equivalent sentences D. I, II, and III are equivalent sentences 1 2 3