congr
case some
α : Type u_1
β : α → Type u_2
inst✝⁴ : Primcodable α
inst✝³ : (a : α) → Fintype (β a)
inst✝² : (a : α) → DecidableEq (β a)
inst✝¹ : (a : α) → Primcodable (β a)
inst✝ : PrimrecCard β
s e : ℕ
val✝ : SubWType β s
⊢ elim' ℕ encode s val✝ =
    elim' ℕ (fun x => (encode x.fst).pair (encode (List.ofFn (fintypeArrowEquivFinArrow x.snd)))) s val✝
case some.e_fγ
α : Type u_1
β : α → Type u_2
inst✝⁴ : Primcodable α
inst✝³ : (a : α) → Fintype (β a)
inst✝² : (a : α) → DecidableEq (β a)
inst✝¹ : (a : α) → Primcodable (β a)
inst✝ : PrimrecCard β
s e : ℕ
val✝ : SubWType β s
⊢ encode = fun x => (encode x.fst).pair (encode (List.ofFn (fintypeArrowEquivFinArrow x.snd)))