# σ-Algebra

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## Definition of the noun σ-Algebra

What does σ-Algebra mean as a name of something?

**noun**

- [
*analysis*] A collection of subsets of a given set, such that the empty set is part of this collection, the collection is closed under complements (with respect to the given set) and the collection is closed under countable unions.- holonyms: measurable space
- hyponyms: Borel σ-algebra
- meronyms: measurable set

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## Quotes about σ-Algebra

We may always depend on it that algebra, which cannot be translated into good English and sound common sense, is bad algebra. (William Kingdon Clifford)*more quotes about σ-algebra...*

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