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Question
Answer the following:
R = {1, 2, 3} → {1, 2, 3} given by R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3)} Check if R is symmentric
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Solution
R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3)}
Here, (1, 2) ∈ R, but (2, 1) ∉ R.
∴ R is not symmetric.
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