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are A, B, and C related? solution: A, B, and C have exactly the same three elements: 1, 2, and 3. Therefore, A, B, and C are simply different ways to represent the same set. b. Is {0} = 0? solution: {0} ≠ 0 because {0} is a set with one element, namely 0, whereas 0 is just the symbol that