Open In App
Related Articles

ISRO | ISRO CS 2017 – May | Question 22

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Report issue
Report
Which one of the following Boolean expressions is NOT a tautology? (A) ((a → b) ∧ (b → c)) → (a → c) (B) (a ↔ c) →( ¬b → (a ∧ c)) (C) (a ∧ b ∧ c) → (c ∨ a) (D) a → (b → a)

Answer: (B)

Explanation: Refer: GATE-CS-2014-(Set-2) | Question 63 Option (B) is correct.

Quiz of this Question

Last Updated : 20 Mar, 2018
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads