Question: 1.(This exercise is a variation of Exercise 4.5 in Chapter 4 of the textbook) Consider the set of formulas S = { p, p ((q

1.(This exercise is a variation of Exercise 4.5 in Chapter 4 of the textbook) Consider the set of formulas S = { p, p ((q r) (q r)), p ((s t) (s t)), s q, r t, t s } (a)Transform S into a set of formulas in CNF, S' (b)Transform S' into a set of formulas in clausal form, S'' c) Prove using resolution that S'' is unsatisfiable.

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