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(*         *      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 WfInclusion.
Variable A : Type.
Variables R1 R2 : A -> A -> Prop.

(* Specifications: *)
Lemma Acc_incl : inclusion A R1 R2 -> forall z:A, Acc R2 z -> Acc R1 z.
#[local]
Hint Resolve Acc_incl : core.
Theorem wf_incl : inclusion A R1 R2 -> well_founded R2 -> well_founded R1.
End WfInclusion.