Home
Class 12
MATHS
Which one of the following is not true?...

Which one of the following is not true?

A

Negation of a negation of a statement is the statement itself.

B

If the last column of the truth table contains only T then it is a tautology.

C

If the fast column of its truth table contains only F then it is a contradiction

D

If p and q are any two statements then `p harrq` is a tautology.

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER - 2

    FULL MARKS|Exercise PART -II (Answer the questions)|10 Videos

  • SAMPLE PAPER - 2

    FULL MARKS|Exercise PART -III (Answer the questions)|10 Videos

  • SAMPLE PAPER - 19 (UNSOLVED)

    FULL MARKS|Exercise PART - IV (IV. Answer all the questions.)|14 Videos

  • SAMPLE PAPER - 20 (UNSOLVED)

    FULL MARKS|Exercise PART - IV (IV. Answer all the questions.)|14 Videos

Similar Questions

Explore conceptually related problems

If a, b, and c are in A.P., then which one of thew following is not true?

Let p,q and r be any three logical statements. Which one of the following is true?

Which one of the following is the true description about an animal concered?

If f(x) = {{:(2a-x, "for",-a lt x lt a),(3x-2a ,"for", x ge a):} , then which one of the following is true?

Consider the statement : " P(n) : n^(2)-n+41 is prime." Then, which one of the following is true?

The relation R defined on a set A={0,-1,1,2} by xRy" if "|x^2+y^2| le 2 , then which one of the following is true?

The relation R defined on a set A = { 0,-1,1,2} by xRy if | x^(2)+y^(2)| lt=2 , then which one of the following is true?

Which one of the following is a true statement regarding sex chromosome of Mammals?