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Arguments in terms of the truth values of formulas

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Reference no: EM132227652

(i) (((p ∨ q) ∨ r) ∧ (¬p ∧ ¬q)) → r is valid

(ii) (p → (q → r)) ↔ ((p ∧ q) ∧ ¬r) is unsatisfiable

Prove that the formulas given in Question 1 (i) and (ii) above have the corresponding properties, by means of semantic arguments in terms of the truth values of formulas.

Reference no: EM132227652

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