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Exercise 1 A. Consider the following relation. R1 = {(a, b) |2a = b or 2b = a} R2 = {(a, b) | 4a +

Exercise 1 A. Consider the following relation. R1 = {(a, b) |2a = b or 2b = a} R2 = {(a, b) | 4a + b b} RA = {(a,b) la = b or a

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