Question: Question 1 . Use the inference rules of propositional logic to prove that KB entail KB: A 1 : P ? ? Q = >

Question 1. Use the inference rules of propositional logic to prove that KB entail
KB:
A1:P??Q=>(RvvS)
A2: R??Q=>(notPvvS)
A3: notS=>Q
:P=>S.
Question 1 . Use the inference rules of

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