Theorem: LO.FirstOrder.Arith.Model.DefinableBoundedFunction.term_retraction (Arithmetization/Definability/Definability.lean)

State before:
L : Language
inst✝⁹ : L.ORing
ξ : Type u_1
n : ℕ
M : Type u_2
inst✝⁸ : Zero M
inst✝⁷ : One M
inst✝⁶ : Add M
inst✝⁵ : Mul M
inst✝⁴ : LT M
inst✝³ : M ⊧ₘ* 𝐏𝐀⁻
inst✝² : Structure L M
inst✝¹ : Structure.ORing L M
inst✝ : Structure.Monotone L M
Γ : HierarchySymbol
k : ℕ
t : Semiterm L M n
e : Fin n → Fin k
⊢ Bounded L fun v => Semiterm.valm M (fun x => v (e x)) id t
Tactic:
simp
State after:
no goals

State before:
L : Language
inst✝⁹ : L.ORing
ξ : Type u_1
n : ℕ
M : Type u_2
inst✝⁸ : Zero M
inst✝⁷ : One M
inst✝⁶ : Add M
inst✝⁵ : Mul M
inst✝⁴ : LT M
inst✝³ : M ⊧ₘ* 𝐏𝐀⁻
inst✝² : Structure L M
inst✝¹ : Structure.ORing L M
inst✝ : Structure.Monotone L M
Γ : HierarchySymbol
k : ℕ
t : Semiterm L M n
e : Fin n → Fin k
⊢ DefinableFunction L Γ fun v => Semiterm.valm M (fun x => v (e x)) id t
Tactic:
simp
State after:
no goals