(a) Prove or disprove the validity of the following argument using the rules of inference: If Ria learns Philosophy, the
Posted: Sat Feb 26, 2022 10:52 am
(a) Prove or disprove the validity of the following argument using the rules of inference: If Ria learns Philosophy, then she will gain wisdom. If she learns Science, she will gain human knowledge. If she gains wisdom, she will not die in misery. If she gains human knowledge, then her aspirations will be satisfied. If her aspirations are not satisfied, then she will die in misery. Her aspirations will never be satisfied. Therefore, she learns neither Philosophy nor Science. (6) Determine the PCNF and PDNF of (p V (p (qv( 9 →r)))) 19 )