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(p ∧ ∼q) ∧ (∼p ∧ q) is a ______. -

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Question

(p ∧ ∼q) ∧ (∼p ∧ q) is a ______.

Options

  • Tautology

  • Contradiction

  • Tautology and contradiction

  • Contingency

MCQ
Fill in the Blanks

Solution

(p ∧ ∼q) ∧ (∼p ∧ q) is a contradiction.

Explanation:

(p ∧ ∼q) ∧ (∼p ∧ q)

≡ (p ∧ ∼p) ∧ (∼q ∧ q)  .......[[Associative and commutative law]

≡ F ∧ F  .......[Complement law]

≡ F

∴ Given statement is contradiction.

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