bn:03355902n
Noun Concept
Categories: Descriptive set theory, Mathematical logic hierarchies
EN
Borel hierarchy
EN
In mathematical logic, the Borel hierarchy is a stratification of the Borel algebra generated by the open subsets of a Polish space; elements of this algebra are called Borel sets. Wikipedia
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EN
In mathematical logic, the Borel hierarchy is a stratification of the Borel algebra generated by the open subsets of a Polish space; elements of this algebra are called Borel sets. Wikipedia
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