Metamath Proof Explorer


Theorem erclwwlknrel

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 .~

Proof

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 .~