Wiktionary

Kurepa tree

English edit

Etymology edit

Named after Yugoslav mathematician Đuro Kurepa.

Noun edit

Kurepa tree (plural Kurepa trees)

  1. (mathematics, set theory) A tree (T, <) of height ω1, each of whose levels is at most countable, and has at least ℵ2 branches.

Hypernyms edit

References edit

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