Let A = {1, 2, 3, 4}, and let R = `{(2, 2), (3, 3), (4, 4), (1, 2)}` be a relation on A. Then, R, is

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Let A = {1, 2, 3, 4}, and let R = `{(2, 2), (3, 3), (4, 4), (1, 2)}` be a relation on A. Then, R, is
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