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If (R) and (S) are equivalence relations on the same set (A), which statement about (R\cap S) is correct?

Answer and explanation

Correct answer: (R\cap S) is always an equivalence relation

Step 1: Both relations are reflexive, so every ((a,a)) lies in both and also in the intersection. Step 2: Symmetry is preserved in the intersection. Step 3: Transitivity also works because it holds in both relations, so (R\cap S) is an equivalence relation.

Related tags

Intersection Of RelationsEquivalence RelationTheoryAdvancedRelations And FunctionsMathematicsClass 12 Mcq

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