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diff --git a/matita/contribs/CoRN-Decl/tactics/Step.ma b/matita/contribs/CoRN-Decl/tactics/Step.ma
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+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||M||                                                             *)
+(*      ||A||       A project by Andrea Asperti                           *)
+(*      ||T||                                                             *)
+(*      ||I||       Developers:                                           *)
+(*      ||T||         The HELM team.                                      *)
+(*      ||A||         http://helm.cs.unibo.it                             *)
+(*      \   /                                                             *)
+(*       \ /        This file is distributed under the terms of the       *)
+(*        v         GNU General Public License Version 2                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+(* This file was automatically generated: do not edit *********************)
+
+set "baseuri" "cic:/matita/CoRN-Decl/tactics/Step".
+
+include "CoRN.ma".
+
+(* begin hide *)
+
+(* UNEXPORTED
+Declare ML Module "rational".
+*)
+
+(* UNEXPORTED
+Ltac Algebra := auto with algebra_r algebra algebra_c algebra_s.
+*)
+
+(* UNEXPORTED
+Ltac astepl x := stepl x; [idtac | Algebra].
+*)
+
+(* UNEXPORTED
+Ltac astepr x := stepr x; [idtac | Algebra].
+*)
+
+(* UNEXPORTED
+Tactic Notation "astepl" constr(c) :=  astepl c.
+*)
+
+(* UNEXPORTED
+Tactic Notation "astepr" constr(c) :=  astepr c.
+*)
+
+(* UNEXPORTED
+Ltac rstepl x := stepl x; [idtac | rational].
+*)
+
+(* UNEXPORTED
+Ltac rstepr x := stepr x; [idtac | rational].
+*)
+
+(* UNEXPORTED
+Tactic Notation "rstepl" constr(c) :=  rstepl c.
+*)
+
+(* UNEXPORTED
+Tactic Notation "rstepr" constr(c) :=  rstepr c.
+*)
+
+(* UNEXPORTED
+Ltac Included := eauto with included.
+*)
+
+(* end hide *)
+
+(*#* * [algebra] and [step]
+These tactics simplify equational reasoning.  See the references for a
+description.
+
+* [Included]
+[Included] will solve goals of the form [(included A (dom F))].
+*)
+