Which one of the following statements is not a tautology?

  • Option 1)

    (p \vee q)\rightarrow (p\vee (-q))

  • Option 2)

    (p\wedge q)\rightarrow (\sim p)\vee q

  • Option 3)

    p\rightarrow (p\vee q)

  • Option 4)

    (p\wedge q)\rightarrow p

 

Answers (1)


Option 1)

(p \vee q)\rightarrow (p\vee (-q))

Option 2)

(p\wedge q)\rightarrow (\sim p)\vee q

Option 3)

p\rightarrow (p\vee q)

Option 4)

(p\wedge q)\rightarrow p

Most Viewed Questions

Preparation Products

Knockout JEE Main (Six Month Subscription)

- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.

₹ 9999/- ₹ 8499/-
Buy Now
Knockout JEE Main (Nine Month Subscription)

- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.

₹ 13999/- ₹ 12499/-
Buy Now
Test Series JEE Main 2024

Chapter/Subject/Full Mock Tests for JEE Main, Personalized Performance Report, Weakness Sheet, Complete Answer Key,.

₹ 7999/- ₹ 4999/-
Buy Now
JEE Main Rank Booster 2023

Booster and Kadha Video Lectures, Unlimited Full Mock Test, Adaptive Time Table, Faculty Support.

₹ 9999/- ₹ 6999/-
Buy Now
Knockout JEE Main (One Month Subscription)

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Unlimited Mock Tests and Personalized Analysis Reports, Faculty Support.

₹ 7999/- ₹ 4999/-
Buy Now
Boost your Preparation for JEE Main 2021 with Personlized Coaching
 
Exams
Articles
Questions