simp [LogicalConnective.ball]
L✝ : Language
ξ✝ : Type u_1
n n₁ n₂✝ n₂ m m₁ m₂ m₃ : ℕ
L : Language
L₁ : Language
L₂ : Language
L₃ : Language
ξ : Type u_2
Φ : L₁ →ᵥ L₂
p q : Semiformula L₁ ξ (n + 1)
⊢ (lMap Φ) (∀[p] q) = ∀[(lMap Φ) p] (lMap Φ) q
no goals