29. If pis any statement, t is a tautology and c is a contradiction then which of the following is not correct-

If p is any statement,t and c are a tautology and a contradiction respectively then which of the following is not correct- (a) p^^t=p(b)p^^c=c(c)p vv t=c(d)p vv c=p

Which of the following is tautology

Which of the following is tautology

Which of the following is a contradiction

Which of the following is not a tautology.

Which of the following is tautology?

Which of the following is not a tautology?

which of the following is a contradiction ?

which of the following is a contradiction ?