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bn:01485835n
Noun Concept
Categories: Trees (set theory), Descriptive set theory, Determinacy
EN
tree  branch  pruned tree
EN
In descriptive set theory, a tree on a set X {\displaystyle X} is a collection of finite sequences of elements of X {\displaystyle X} such that every prefix of a sequence in the collection also belongs to the collection. Wikipedia
English:
descriptive set theory
Definitions
Sources
EN
In descriptive set theory, a tree on a set X {\displaystyle X} is a collection of finite sequences of elements of X {\displaystyle X} such that every prefix of a sequence in the collection also belongs to the collection. Wikipedia
A set of finite sequences of elements of X that is closed under subsequences, on a set X Wikipedia Disambiguation
Wikipedia
EN
tree (descriptive set theory)
Wikidata
EN
tree
Wikipedia Redirections
EN
branch (descriptive set theory), pruned tree

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