Question: Problem 5: (16 points) Show the FD is invalid by examples: a) if AB C and A C then B C b) if AB C,

Problem 5: (16 points) Show the FD is invalid by examples:

Problem 5: (16 points) Show the FD is invalid by examples: a) if AB C and A C then B C b) if AB C, then ACor B C

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