exact hb _ (Nat.lt_succ_self _)
L : Language
μ : Type v
μ₂ : Type u_1
μ₁ : Type u_2
m : ℕ
b : ℕ → UTerm L μ₂
e : μ₁ → UTerm L μ₂
he : ∀ (x : μ₁), (e x).bv ≤ m
a✝ : ℕ
hb : ∀ x < a✝ + 1, (b x).bv ≤ m
⊢ (b a✝).bv ≤ m
no goals