Theorem SimpleGraph.Walk.IsTrail.isPath_iff_isSubwalk_imp_not_isCycle

Modification history

2026-05-25 18:11
Mathlib/Combinatorics/SimpleGraph/Paths.lean
feat(Combinatorics/SimpleGraph/Walk/Paths): a trail which isn't a path has a cycle subwalk (#39061) …
Added SimpleGraph.Walk.IsTrail.isPath_iff_isSubwalk_imp_not_isCycleView on Github →