Which of the following relations is symmetric and transitive but not r – McqOptions

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1.	Which of the following relations is symmetric and transitive but not reflexive for the set I = {4, 5}?
A.	R = {(4, 4), (5, 4), (5, 5)}
B.	R = {(4, 4), (5, 5)}
C.	R = {(4, 5), (5, 4)}
D.	R = {(4, 5), (5, 4), (4, 4)}
Answer» E.

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