(************************************************************************)
(*         *      The Rocq Prover / The Rocq Development Team           *)
(*  v      *         Copyright INRIA, CNRS and contributors             *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(*   \VV/  **************************************************************)
(*    //   *    This file is distributed under the terms of the         *)
(*         *     GNU Lesser General Public License Version 2.1          *)
(*         *     (see LICENSE file for the text of the license)         *)
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(** Author: Bruno Barras *)
Section Wf_Transitive_Closure.
Variable A : Type.
Variable R : relation A.
Notation trans_clos := (clos_trans A R).

Lemma incl_clos_trans : inclusion A R trans_clos.
red; auto with sets.