▾ Set of symbols
▾ Alphabet
▾ Deduction system
▾ Theory
▾ Zermelo-Fraenkel set theory
▾ Set
▾ Binary cartesian set product
▾ Binary relation
▾ Binary endorelation
▾ Digraph
Arrow set
Formulation 0
Let $G = (X, \mathcal{E})$ be a D2696: Digraph.
Then $\mathcal{E}$ is the arrow set in $G$.
Results
» R2780: Upper bound for number of arrows in finite digraph