val cut : Cic.term -> unit
val letin : Cic.term -> unit
val exact : Cic.term -> unit
-val elim_simpl_intros : Cic.term -> unit
+val elim_intros_simpl : Cic.term -> unit
val change : goal_input:Cic.term -> input:Cic.term -> unit
(* structural tactics *)
val ring : unit -> unit
val fourier : unit -> unit
val rewrite_simpl : Cic.term -> unit
+val rewrite_back_simpl : Cic.term -> unit
+val replace : goal_input:Cic.term -> input:Cic.term -> unit
val reflexivity : unit -> unit
val symmetry : unit -> unit