"Aggregate" is an archaic word for infinite sets such as those considered by Georg Cantor. The term is sometimes also used to refer to a finite or infinite set in which multiplicity is ignored (e.g., Kestelman 1960, pp. 2-3).
Aggregate
See also
Collection, Multiset, Set, Set ClassExplore with Wolfram|Alpha
References
Fraenkel, A. Einleitung in die Mengenlehre. Berlin: Springer, 1919. Third edition reprinted by New York: Dover, 1946.Kestelman, H. Modern Theories of Integration, 2nd rev. ed. New York: Dover, 1960.Referenced on Wolfram|Alpha
AggregateCite this as:
Weisstein, Eric W. "Aggregate." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Aggregate.html