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For any family ({R_i}) of reflexive relations on the same set (A), what is (\bigcap R_i)?

Answer and explanation

Correct answer: Always reflexive

Step 1: Each (R_i) is reflexive, so every ((a,a)) belongs to every (R_i). Step 2: A pair present in all relations remains in their intersection. Step 3: This works for both finite and infinite families.

Related tags

RelationsFunctionsReflexive RelationFamily IntersectionHardReflexive RelationRelations And FunctionsMathematics

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