Which of the following relations is the reflexive relation over the se

1.	Which of the following relations is the reflexive relation over the set {1, 2, 3, 4}?
A.	{(0,0), (1,1), (2,2), (2,3)}
B.	{(1,1), (1,2), (2,2), (3,3), (4,3), (4,4)}
C.	{,(1,1), (1,2), (2,1), (2,3), (3,4)}
D.	{(0,1), (1,1), (2,3), (2,2), (3,4), (3,1)
Answer» C. {,(1,1), (1,2), (2,1), (2,3), (3,4)}

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Which of the following relations is the reflexive relation over the set {1, 2, 3, 4}?

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