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 ⟩ ∣ ( 𝑡𝑊𝑢𝑊 ∧ ∃ 𝑛 ∈ ( 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 ⟩ ∣ ( 𝑡𝑊𝑢𝑊 ∧ ∃ 𝑛 ∈ ( 0 ... 𝑁 ) 𝑡 = ( 𝑢 cyclShift 𝑛 ) ) }
3 2 relopabi Rel