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Exercise 5.4.2: Let R(x, y, 2) be a relation. Write one or more Datalog rules that define ?c (R), where C stands for each of

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Exercise 5.4.2: Let R(x, y, 2) be a relation. Write one or more Datalog rules that define ?c (R), where C stands for each of the following conditions: a) r-y b) y ! e) NOT ((r y) AND y

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