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If a relation is both symmetric and antisymmetric, what is correct for distinct elements (a\ne b)?

Answer and explanation

Correct answer: ((a,b)) cannot be in the relation

Step 1: If ((a,b)) is present and the relation is symmetric, then ((b,a)) is also present. Step 2: Antisymmetry says both can occur only when (a=b). Step 3: For (a\ne b), this is impossible, so such a pair cannot be present.

Related tags

RelationsSymmetric AntisymmetricConceptIntroduction To RelationsRelations And FunctionsMathematicsClass 12 Mcq

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