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bn:03355902n
Noun Concept
AR
الهرمي بوريل
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
Relations
Sources
IS A
سلسلة مراتب
HAS PART
EN
Gδ set
EN
Fσ set
FACET OF
جبر سيغما
NAMED AFTER
إيميل بوريل
Wikipedia Translations
AR
الهرمي بوريل

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