Theorem: LO.FirstOrder.Rew.func1 (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
ω : Rew L ξ₁ n₁ ξ₂ n₂
f : L.Func 1
t : Semiterm L ξ₁ n₁
⊢ ω (func f ![t]) = func f ![ω t]
Tactic:
simp[Matrix.constant_eq_singleton, Rew.func]
State after:
no goals