haveI : Structure.Add ℒₒᵣ⋆ ℕ := ⟨fun _ _ => rfl⟩
c : ℕ
this✝¹ : Structure Language.unit ℕ := modelStar c
this✝ : Structure.Zero ℒₒᵣ⋆ ℕ
this : Structure.One ℒₒᵣ⋆ ℕ
⊢ Satisfiable (trueArithWithStarUnbounded c)
c : ℕ
this✝² : Structure Language.unit ℕ := modelStar c
this✝¹ : Structure.Zero ℒₒᵣ⋆ ℕ
this✝ : Structure.One ℒₒᵣ⋆ ℕ
this : Structure.Add ℒₒᵣ⋆ ℕ
⊢ Satisfiable (trueArithWithStarUnbounded c)