Theorem SimpleGraph.card_incidenceFinset_eq_degree

Modification history

2026-09-05 14:32
Mathlib/Combinatorics/SimpleGraph/Finite.lean
feat(Combinatorics/SimpleGraph/Finite): the `Fintype` instance for `incidenceSet` doesn't need `DecidableEq` (#41713) …
Modified SimpleGraph.card_incidenceFinset_eq_degreeView on Github →
2024-10-22 13:55
Mathlib/Combinatorics/SimpleGraph/Finite.lean
chore(Combinatorics): use newly introduced finset notation (#18055) …
Modified SimpleGraph.card_incidenceFinset_eq_degreeView on Github →
2024-02-03 03:33
Mathlib/Combinatorics/SimpleGraph/Basic.lean
refactor: split out finiteness properties for simple graphs (#10123)
Modified SimpleGraph.card_incidenceFinset_eq_degreeView on Github →
2023-02-24 18:27
Mathlib/Combinatorics/SimpleGraph/Basic.lean
feat: Port `Combinatorics.SimpleGraph.Basic` (#1883)
Added SimpleGraph.card_incidenceFinset_eq_degreeView on Github →