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On sets, (A,R,B) if (A\cap B=\varnothing). Is this relation transitive?

Answer and explanation

Correct answer: No

Step 1: Two sets can be disjoint, and the second can be disjoint from the third. Step 2: Still, the first and third need not be disjoint. For example, ({1}) and ({2}) are disjoint, ({2}) and ({1}) are disjoint, but ({1}) and ({1}) are not disjoint. Step 3: For set relations, build a small counterexample.

Related tags

Disjoint SetsNon TransitiveCounterexampleTransitive RelationRelations And FunctionsMathematicsClass 12 Mcq

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