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Hello! I need help answering this question that is attached. I know how to show the proof by venn digram, but I would like to

Hello! I need help answering this question that is attached. I know how to show the proof by venn digram, but I would like to know how it is answered mathimatically in sentences. Thank you very much.

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Given two subsets X and Y of a universal set U, prove that a. XnY = XUY b. XUY = XnY c. X- Y = XnY d. X CY implies Y C X e. X CY implies X U (Y - X) = Y f. X - YCXUY g. XnY = 0 implies Y n X = Y

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