QUESTION 3 Determine if the following logical expression is a tautology or contradiction. (p^¬q) v (qv-p) O Neither tautology nor contradiction O Tautology Contradiction Both tautology and contradition QUESTION 4 Match the set operation with its definition. AnB a. {xlx EA and x = B} AUB b. {xlx EA or x = B} c. {xlx EU and x # A} d. {xlx EA and x & B} A A-B

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