X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FgTopLevel%2FprimitiveTactics.mli;h=93db3ea10f8c95bc15fa5f320499bb11ab7904d7;hb=ba64642ca7771cd9cc7b9f73476c8f608ffeeda5;hp=123b3859df099adad8c26ce7ca1af9286c442edd;hpb=4720c6af414c4a834a994fdb404fda2d0c04fc03;p=helm.git

diff --git a/helm/gTopLevel/primitiveTactics.mli b/helm/gTopLevel/primitiveTactics.mli
index 123b3859d..93db3ea10 100644
--- a/helm/gTopLevel/primitiveTactics.mli
+++ b/helm/gTopLevel/primitiveTactics.mli
@@ -1,3 +1,28 @@
+(* 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/.
+ *)
+
 val apply_tac:
   term: Cic.term -> ProofEngineTypes.tactic
 val exact_tac:
@@ -11,3 +36,6 @@ val letin_tac:
 
 val elim_intros_simpl_tac:
   term: Cic.term -> ProofEngineTypes.tactic 
+
+val change_tac:
+  what: Cic.term -> with_what: Cic.term -> ProofEngineTypes.tactic