Problem 2. Give an example of an open set O such that the boundary of the...

Problem 2. Give an example of an open set O such that the boundary of the closure of O has positive Lebesque measure. (Hint: try to play with the union of open intervals taken out of [0, 1] during the construction of Cantor set on... ODD steps.)

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Colby Messinger answered 1 year ago

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