~ A v ~ B is logically equivalent to?
A. ~ A → ~ B
B. ~ A ∧ ~ B
C. A → ~B
D. B V A
Answer:C
~ A v ~ B is logically equivalent to?
A. ~ A → ~ B B. ~ A ∧ ~ B C. A → ~B D. B V A
Explanation: By identity A → B Ξ ~A V B.