Which of the following is/are tautology?
A.a v b → b ^ c
B.a ^ b → b v c
C.a v b → (b → c)
D.None of these
Answer:B
Which of the following is/are tautology?
A.a v b → b ^ c B.a ^ b → b v c C.a v b → (b → c) D.None of these