Goal:
    A : Type  P : A → Prop  l' : list A  H : Forall P ([] ++ l')
  ============================
   (Forall P [] ∧ Forall P l')


DEBUG:Going to execute:
fun => <coq-core.plugins.ltac::split@0>

Goals:
    A : Type  P : A → Prop  l' : list A  H : Forall P ([] ++ l')
  ============================
   (Forall P [])

    A : Type  P : A → Prop  l' : list A  H : Forall P ([] ++ l')
  ============================
   (Forall P l')


DEBUG:Going to execute:
try constructor