The condition for a binary relation to be symmetric is _______

1.	The condition for a binary relation to be symmetric is _______
A.	s(R) = R
B.	R ∪ R = R
C.	R = Rᶜ
D.	f(R) = R
Answer» D. f(R) = R

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The condition for a binary relation to be symmetric is _______

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