conv => rhs; change (as.data.drop 0).any p
α : Type u
as : Array α
p : α → Bool
⊢ Id.run (anyM.loop p as (size as) (_ : size as ≤ size as) 0) = List.any as.data p
α : Type u
as : Array α
p : α → Bool
⊢ Id.run (anyM.loop p as (size as) (_ : size as ≤ size as) 0) = List.any (List.drop 0 as.data) p