funext i
L : Language
inst✝ : L.ORing
ξ : Type u_1
n : ℕ
v : Fin 2 → Semiterm ℒₒᵣ ξ n
⊢ (fun i => lMap Language.oringEmb (v i)) = fun i => ![lMap Language.oringEmb (v 0), lMap Language.oringEmb (v 1)] i
case h
L : Language
inst✝ : L.ORing
ξ : Type u_1
n : ℕ
v : Fin 2 → Semiterm ℒₒᵣ ξ n
i : Fin 2
⊢ lMap Language.oringEmb (v i) = ![lMap Language.oringEmb (v 0), lMap Language.oringEmb (v 1)] i