Regular Measure

In mathematics, a regular measure on a topological space is a measure for which every measurable set can be approximated from above by an open measurable set and from below by a compact measurable set.

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    A regular council was held with the Indians, who had come in on their ponies, and speeches were made on both sides through an interpreter, quite in the described mode,—the Indians, as usual, having the advantage in point of truth and earnestness, and therefore of eloquence. The most prominent chief was named Little Crow. They were quite dissatisfied with the white man’s treatment of them, and probably have reason to be so.
    Henry David Thoreau (1817–1862)

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