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If (R) is reflexive on (A) and (S\subseteq A\times A) has no self-pair, which statement about (R-S) is correct?

Answer and explanation

Correct answer: (R-S) is reflexive

Step 1: (R) is reflexive, so it contains all self-pairs. Step 2: (S) has no self-pair, so subtracting (S) will not remove the required pairs. Step 3: All self-pairs remain, hence (R-S) is reflexive.

Related tags

Difference Of RelationsSelf PairsReflexive PropertyHardReflexive RelationRelations And FunctionsMathematicsClass 12 Mcq

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