e/Borel hierarchy

Information
has gloss	eng: 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. Each Borel set is assigned a unique countable ordinal number called the rank of the Borel set. The Borel hierarchy is of particular interest in descriptive set theory.
lexicalization	eng: Borel hierarchy
instance of	c/Mathematical logic hierarchies

Meaning
French
has gloss	fra: La hiérarchie de Borel désigne une description de la tribu des boréliens dun espace topologique X comme une réunion croissante densembles de parties de X, indexée par le premier ordinal non dénombrable.
lexicalization	fra: Hierarchie de Borel
lexicalization	fra: hiérarchie de Borel