Description: .~ is a relation. (Contributed by Alexander van der Vekens, 25-Mar-2018) (Revised by AV, 30-Apr-2021)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | erclwwlkn.w | |- W = ( N ClWWalksN G ) | |
| erclwwlkn.r | |- .~ = { <. t , u >. | ( t e. W /\ u e. W /\ E. n e. ( 0 ... N ) t = ( u cyclShift n ) ) } | ||
| Assertion | erclwwlknrel | |- Rel .~ | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | erclwwlkn.w | |- W = ( N ClWWalksN G ) | |
| 2 | erclwwlkn.r |  |-  .~ = { <. t , u >. | ( t e. W /\ u e. W /\ E. n e. ( 0 ... N ) t = ( u cyclShift n ) ) } | |
| 3 | 2 | relopabi | |- Rel .~ |