∀ {K : Type u_1} {Γ : K → Type u_2} {Λ : Type u_3} {σ : Type u_4} {motive : Turing.TM2.Stmt Γ Λ σ → Sort u}
  (t : Turing.TM2.Stmt Γ Λ σ) (F_1 : (t : Turing.TM2.Stmt Γ Λ σ) → Turing.TM2.Stmt.below t → motive t),
  Turing.TM2.Stmt.brecOn t F_1 = F_1 t (Turing.TM2.Stmt.brecOn.go t F_1).2