What is symmetric relation?
What is a symmetric relation?
- A.
A relation where if a is related to b, then b is related to a
- B.
A relation where if a is related to b, then b is not related to a
- C.
A relation where every element is related to itself
- D.
A relation where every element is related to every other element
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Correct answer: A
A relation R on a set A is said to be symmetric if for every pair (a, b) in R, the pair (b, a) is also in R.