Theorem SimpleGraph.Walk.IsPath.eq_snd_or_eq_penultimate_of_start_mem_edges

Modification history

2026-10-20 12:09
Mathlib/Combinatorics/SimpleGraph/Paths.lean
feat(Combinatorics/SimpleGraph/Paths): add lemma about the first dart if dropLast is a path (#40963) …
Added SimpleGraph.Walk.IsPath.eq_snd_or_eq_penultimate_of_start_mem_edgesView on Github →