case comp f g _ _ hf hg => exact hf.comp _ hg
n : ℕ
f✝ : Vector ℕ n → ℕ
m✝ n✝ : ℕ
f : Vector ℕ n✝ → ℕ
g : Fin n✝ → Vector ℕ m✝ → ℕ
a✝¹ : Primrec' f
a✝ : ∀ (i : Fin n✝), Primrec' (g i)
hf : Arith₁ f
hg : ∀ (i : Fin n✝), Arith₁ (g i)
⊢ Arith₁ fun a => f (ofFn fun i => g i a)
no goals