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Let R be the set of all real numbers. Co...

Let R be the set of all real numbers. Consider the following subsets of the plane `RxxR: S={(x,y):y=x+1and0ltxlt2}andT={(x,y):x-y` is an integer}
Then which of the following is true?

A

T is an equivalence relation but S is not an equivalence relation.

B

Neither S nor T is an equivalence relation

C

Both S and T are equivalence relation

D

S is an equivalence relation but T is not an equivalence relation.

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