ThmDex – An index of mathematical definitions, results, and conjectures.
▼ Set of symbols
▼ Alphabet
▼ Deduction system
▼ Theory
▼ Zermelo-Fraenkel set theory
▼ Set
Definition D72
Collection of sets
Also known as
Family of sets
Children
▶ D76: Set intersection
▶ D77: Set union