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2. Define sets A and B as follows: A- n E Zn-8r -3 for some integer r ) B {TIE Z 1 m-4s + 1

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2. Define sets A and B as follows: A- n E Zn-8r -3 for some integer r ) B {TIE Z 1 m-4s + 1 for some integer s} a. Is AC B? b. Is B C A? Justify your answers carefully. (In other words, provide a proof if the statement is true or a disproof if the statement is false.)

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