Goal:
  
  A : Type
  P : list A → A → Type
  Q : list A → A → Type
  X : ∀ (Γ : list A) (x : A), P Γ x → Q Γ x
  ============================
   (locked false = true)


DEBUG:Going to execute:
Ltac.assumption
DEBUG LTAC Evaluated term: not_locked_false_eq_true