Honey C.

asked • 12/10/21

Which of the following are tautology? .... i dont know how to get the solution

Which of the following are tautology?

  1. (p Λ ~q) Λ (~p V q)
  2. p Λ ~p
  3. (p ⟶ r) ↔ (q ⟶ r)
  4. p ⟶ (q V r) ≡ (p Λ ~q) ⟶
  5. (p Λ q) V (~p V (p Λ ~q))


1 Expert Answer

By:

Mario S. answered • 12/15/21

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