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26-02-2024
Engineering

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Verify whether each of the following statements is a tautology or contradiction: (i) [( ⇔ ) ∨ ( ⇔ )] ⇒ ~ (ii) ( ∧ ) ∧ ∽ ( ∨ ) (iii) [( ⇒ ) ∧ ] ⇒ (iv) ∽ ( ∨ ) ⇔ (∽ ∧∽ ) (v) ( ∨ ) ∧ (∽ ∧∽ )

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