This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: Closed walks are walks (in an undirected graph). (Contributed by Alexander van der Vekens, 25-Aug-2018) (Revised by AV, 16-Feb-2021)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | clwlkswks |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | clwlkwlk | ||
| 2 | 1 | ssriv |