Mathematics, 13.09.2019 17:30, tddreviews

How can this be proved to be a tautology using laws of logical equivalence?
((x ∨ y) ∧ (x → z) ∧ (¬z)) → y

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How can this be proved to be a tautology using laws of logical equivalence?
((x ∨ y) ∧ (x → z...