Sigma-algebra/Infobox
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< Sigma-algebra
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Sigma algebra | |
∀A∈A[AC∈A] For a σ-algebra (X,A⊆P(X))
∀{An}∞n=1⊆A[∞⋃n=1An∈A] |
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Requires fleshing out, sigma-algebras have products and subspace constructions too! Add trace sigma-algebra, pre-image sigma-algebra, some of the properties like being closed under set-subtraction, containing both X and ∅