Question: Answer the following questions: 1) Write the argument using propositional wffs. Then using propositional logic, prove the argument is valid. If the advertisement is successful

Answer the following questions: 1) Write the argument using propositional wffs.

Answer the following questions: 1) Write the argument using propositional wffs. Then using propositional logic, prove the argument is valid. If the advertisement is successful then the sales volume will go up. Either the advertisement is successful or the store will close. The sales volume will not go up. Therefore, the store will close. (A, S, C) 2) Write the negation of the statements. If she cries today then I will be happy or energetic. 3) Use mathematical induction to prove the following statement. 4+ 8 + 12 + ... + 4n = 2n(n + 1)

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