Justify each conclusion with a derivation rule. (a) If Joe is artistic, he must also be creative. Joe is not creative. Therefore, Joe is not artistic. O De Morgan's Laws O double negation O modus ponens O modus tollens O simplification (b) Lingli is both athletic and intelligent. Therefore, Lingli is athletic. O De Morgan's Laws O double negation O modus ponens O modus tollens O simplification (c) If Monique is 18 years old, then she may vote. Monique is 18 years old. Therefore, Monique may vote. O De Morgan's Laws O double negation O modus ponens O modus tollens O simplification

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