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Ex.5. (5p.) Let X=({1,2,3}{1,2,3}){(1,4)} and let be a relation on X given by: (x1y1)(x2,y2) Ex.S. (5p.) Let X = x (1,2,3)) U ((1/4)) and let

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Ex.5. (5p.) Let X=({1,2,3}{1,2,3}){(1,4)} and let be a relation on X given by: (x1y1)(x2,y2)

Ex.S. (5p.) Let X = x (1,2,3)) U ((1/4)) and let p be a relation on X given by: (XNI) P (xz,Y2) Show that this is a relatioof partial order. What are thc least. minimum, the greatest and maximum elements?

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