Theorem: LO.FirstOrder.Semiterm.lMap_shift (Logic/FirstOrder/Basic/Syntax/Rew.lean)

State before:
L : Language
L' : Language
L₁ : Language
L₂ : Language
L₃ : Language
ξ : Type u_1
ξ' : Type u_2
ξ₁ : Type u_3
ξ₂ : Type u_4
ξ₃ : Type u_5
n n₁ n₂ n₃ : ℕ
Φ : L₁ →ᵥ L₂
t : SyntacticSemiterm L₁ n
⊢ lMap Φ (⇑ t) = ⇑ (lMap Φ t)
Tactic:
simp[shift, lMap_map]
State after:
no goals