ThmDex – An index of mathematical definitions, results, and conjectures.
▼ Set of symbols
▼ Alphabet
▼ Deduction system
▼ Theory
▼ Zermelo-Fraenkel set theory
▼ Set
▼ Subset
▼ Power set
▼ Hyperpower set sequence
▼ Hyperpower set
▼ Hypersubset
▼ Subset algebra
▼ Subset structure
▼ Hypergraph
▼ Graph
▼ Path graph
▼ Finite path graph
▼ Cycle graph
▼ Set of cycle subgraphs
▼ Acyclic graph
Definition D2749
Tree graph
Formulation 0
A D778: Graph $G$ is a tree graph if and only if
(1) $G$ is an D2747: Acyclic graph
(2) $G$ is a D2748: Connected graph