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[helm.git] / helm / ocaml / tactics / introductionTactics.ml

diff --git a/helm/ocaml/tactics/introductionTactics.ml b/helm/ocaml/tactics/introductionTactics.ml
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--- a/helm/ocaml/tactics/introductionTactics.ml
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-(* Copyright (C) 2002, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA  02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
- *)
-
-
-let constructor_tac ~n ~status:(proof, goal) =
-  let module C = Cic in
-  let module R = CicReduction in
-   let (_,metasenv,_,_) = proof in
-    let metano,context,ty = List.find (function (m,_,_) -> m=goal) metasenv in
-     match (R.whd context ty) with
-        (C.MutInd (uri, typeno, exp_named_subst))
-      | (C.Appl ((C.MutInd (uri, typeno, exp_named_subst))::_)) ->
-         PrimitiveTactics.apply_tac 
-          ~term: (C.MutConstruct (uri, typeno, n, exp_named_subst))
-          ~status:(proof, goal)
-      | _ -> raise (ProofEngineTypes.Fail "Constructor: failed")
-;;
-
-
-let exists_tac ~status =
-  constructor_tac ~n:1 ~status
-;;
-
-
-let split_tac ~status =
-  constructor_tac ~n:1 ~status
-;;
-
-
-let left_tac ~status =
-  constructor_tac ~n:1 ~status
-;;
-
-
-let right_tac ~status =
-  constructor_tac ~n:2 ~status
-;;
-