Goal:
    A : Type  P : A → Prop  Q : A → Prop  Hq : Forall Q []
  ============================
   (Forall (λ x : A, P x ∧ Q x) [])


DEBUG:Going to execute:
inversion_clear H
DEBUG LTAC Evaluated term: Hq
DEBUG LTAC Evaluated term: Hq
DEBUG LTAC Evaluated term: Hq
DEBUG LTAC Evaluated term: Hq