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Prove the following statements for 10 paints each . a . Let X and y be monempty sets and f: XY. & ASX and BCY,

Prove the following statements for 10 paints each . a . Let X and y be monempty sets and f: XY. & ASX and BCY, then f [ A JOB = f[Anf-[B] ]. Hint : f [ B ] = 2 xe X / f ( x)EBy

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