Goal:
    A : Type  l : list A
  ============================
   (rev (rev l) = l)


DEBUG:Going to execute:
induction l

Goals:
    A : Type
  ============================
   (rev (rev []) = [])

    A : Type  a : A  l : list A  IHl : rev (rev l) = l
  ============================
   (rev (rev (a :: l)) = a :: l)


DEBUG:Going to execute:
eauto
DEBUG LTAC Evaluated term: l

Goals:
    A : Type
  ============================
   (rev (rev []) = [])

    A : Type  a : A  l : list A  IHl : rev (rev l) = l
  ============================
   (rev (rev (a :: l)) = a :: l)


DEBUG:Going to execute:
<coq-core.plugins.ltac::eauto@0> $1 $2 $3