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In the divisibility relation on (A={2,3,6,9,18}), does a least element exist?

Answer and explanation

Correct answer: no

Step 1: A least element must divide every element of the set. Step 2: (2) does not divide (3), and (3) does not divide (2). Step 3: No single element divides all elements, so there is no least element.

Related tags

RelationsPartial-OrderLeast-ElementDivisibilityIntroduction To RelationsRelations And FunctionsMathematicsClass 12 Mcq

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