Question

Which of the following are tautologies?
i) (p ∨ ¬p) ⊕ p
ii) (p ∧ q) ∨ (¬p ∧ ¬q)
iii) (p → ¬p) → ¬q
iv) (p ∨ q) ⊕ (¬p ∧ ¬q)

Answer 1

Answer:

Please

Explanation:

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