∀ {Γ : Type u_1} {Λ : Type u_2} {σ : Type u_3} {a : Γ} {a_1 : Turing.TM1.Stmt Γ Λ σ} {a_2 : Γ}
  {a_3 : Turing.TM1.Stmt Γ Λ σ}, Turing.TM1to1.Λ'.write a a_1 = Turing.TM1to1.Λ'.write a_2 a_3 → a = a_2 ∧ a_1 = a_3