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On (P(A)), (R={(X,Y):X \subset Y}), where (\subset) denotes proper subset. Which statement is correct about (R)?

Answer and explanation

Correct answer: It is not reflexive because (X \subset X) is false

Step 1: A proper subset does not allow equality. Step 2: No set is a proper subset of itself. Step 3: Distinguish (\subseteq) from (\subset) carefully.

Related tags

RelationsFunctionsReflexive RelationProper SubsetHardReflexive RelationRelations And FunctionsMathematics

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