Lebesgue exterior measure

Sci-Tech Dictionary: Lebesgue exterior measure

(lə′beg ik¦stir·ē·ər ′mezh·ər)

(mathematics) A measure whose value on a set S is the greatest lower bound of the Lebesgue measures of open sets that contain S. Also known as exterior measure; outer measure.

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outer measure (mathematics)

	What is the measure of the third exterior angle if Two exterior angles of a triangle have measures of 110 degrees and 100 degrees? Read answer...
	In a regular polygon the ratio of the measure of the exterior angle to the measure of the adjacent interior angle is 1 to 4 how many sides does the polygon have? Read answer...
	Each exterior angle measure of a regular 18-gon is? Read answer...

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	Prove that the lebesgue outer measure is countably subadditive also show that lebesgue outer measure of the set N of nature numbers is zero?
	How do you compare the inner and outer measures in lebesgue measure?
	Role of lebesegue outer measure to define lebesgue integral?

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