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A propositional knowledge-base KB consisting of five sentences is given below (note that is used to denote logical and, and / is used

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A propositional knowledge-base KB consisting of five sentences is given below (note that " " is used to denote "logical and", and "\/" is used to denote "logical or", and " " " is used to denote "logical negation"): 1. (PQ)R 2. RS 3. S 4. PU 5. U (a). (10 marks) Explain in English (in Steps!) that KB=Q. (b). (10 marks) Show resolution steps that leads to KB - Q. You should first convert the sentences in the KB into clauses

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