Relations
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Multiple Choice
Which of the following is a relation on the set {1, 2, 3}?
- {(1, 1), (1, 2), (2, 3)}
- {(1, 2), (2, 1), (3, 3)}
- {(1, 1), (2, 2), (3, 3)}
- {(1, 2), (2, 3), (3, 1)}