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Let p denote He is rich and let q denote He is happy. Write each statement in symbolic form using p and q. Note
that He is poor and He is unhappy are equivalent to ¬p and ¬q, respectively.
(a) If he is rich, then he is unhappy. (c) It is necessary to be poor in order to be happy.
(b) He is neither rich nor happy. (d) To be poor is to be unhappy