Source: wikibot/aronszajn-tree
= Aronszajn tree
{wiki=Aronszajn_tree}
An Aronszajn tree is a specific type of tree in set theory, particularly in the context of the theory of ordinals and cardinals. It is named after the mathematician E. Aronszajn, who introduced this concept in relation to the study of certain properties in trees and their associated structures.