हिंदी

Which of the following statements is a tautology? -

Advertisements
Advertisements

प्रश्न

Which of the following statements is a tautology?

विकल्प

  • (∼q ∧ p) ∧ q

  • (∼q ∧ p) ∧ (p ∧ ∼p)

  • (∼q ∧ p) ∨ (p ∨ ∼p)

  • (p ∧ q) ∧ (∼(p ∧ q))

MCQ

उत्तर

(∼q ∧ p) ∨ (p ∨ ∼p)

Explanation:

Since p ∨ ∼p ≡ T,

(∼q ∧ p) ∨ (p ∨ ∼p) ≡ (∼q ∧ p) ∨ T ≡ T

∴ (∼q ∧ p) ∨ (p ∨ ∼p) is a tautology.

shaalaa.com
Tautology, Contradiction, and Contingency
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×