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*[[Laver tree]]
* [[Tree (set theory)]]
== References ==
* {{cite book| last = Kechris | first = Alexander S. | authorlink = Alexander S. Kechris | title = Clasical Descriptive Set Theory | others = [[Graduate Texts in Mathematics]] 156 | publisher = Springer | year = 1995 | id = ISBN 0-387-94374-9 ISBN 3-540-94374-9}}
[[Category:Descriptive set theory]]
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