Goal:
    A : Type  B : Type  R : nat → A → B → Type  n : nat  e : True
  ============================
   (noConfusionHom_All2i_obligation_2 A B R n [] [] All2i_nil All2i_nil
      (noConfusionHom_All2i_obligation_1 A B R n [] [] All2i_nil All2i_nil e) =
    e)


DEBUG:Going to execute:
try intros until H; intro_block_id H || intro_block H
Level 5: evaluation returns
try intros until H; intro_block_id H || intro_block H;
 (try simpl in H; DepElim.simplify_equations_in H)
where
H := e
of type
constr of type tacvalue