* http://cs.unibo.it/helm/.
*)
-val assume : string -> NotationPt.term -> 's NTacStatus.tactic
-val suppose : NotationPt.term -> string -> NotationPt.term option -> 's NTacStatus.tactic
+type just = [ `Term of NTacStatus.tactic_term | `Auto of NnAuto.auto_params ]
+
+val assume : string -> NTacStatus.tactic_term -> 's NTacStatus.tactic
+val suppose : NTacStatus.tactic_term -> string -> 's NTacStatus.tactic
+val we_need_to_prove : NTacStatus.tactic_term -> string option -> 's NTacStatus.tactic
+val beta_rewriting_step : NTacStatus.tactic_term -> 's NTacStatus.tactic
+val bydone : just -> 's NTacStatus.tactic
+val by_just_we_proved : just -> NTacStatus.tactic_term -> string option -> 's NTacStatus.tactic
+val andelim : just -> NTacStatus.tactic_term -> string -> NTacStatus.tactic_term -> string -> 's
+NTacStatus.tactic
+val existselim : just -> string -> NTacStatus.tactic_term -> NTacStatus.tactic_term -> string -> 's
+NTacStatus.tactic
+val thesisbecomes : NTacStatus.tactic_term -> 's NTacStatus.tactic
+val rewritingstep : NTacStatus.tactic_term -> [ `Term of NTacStatus.tactic_term | `Auto of NnAuto.auto_params
+ | `Proof | `SolveWith of NTacStatus.tactic_term ] ->
+ bool (* last step *) -> 's NTacStatus.tactic
+val we_proceed_by_cases_on: NTacStatus.tactic_term -> NTacStatus.tactic_term -> 's NTacStatus.tactic
+val we_proceed_by_induction_on: NTacStatus.tactic_term -> NTacStatus.tactic_term -> 's NTacStatus.tactic
+val byinduction: NTacStatus.tactic_term -> string -> 's NTacStatus.tactic
+val case: string -> (string*NotationPt.term) list -> 's NTacStatus.tactic
+val obtain: string -> NTacStatus.tactic_term -> 's NTacStatus.tactic
+val conclude: NTacStatus.tactic_term -> 's NTacStatus.tactic
+val print_stack : 's NTacStatus.tactic