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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \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) *)
(************************************************************************)
(**** Tactics Tauto and Intuition ****)
(**** Tauto:
Tactic for automating proof in Intuionnistic Propositional Calculus, based on
the contraction-free LJT of Dickhoff ****)
(**** Intuition:
Simplifications of goals, based on LJT calcul ****)
(* Fails because Tauto does not perform any Apply *)
Goal (forall A : Prop, A \/ ~ A) -> forall x y : nat, x = y \/ x <> y.
Proof.
Fail tauto.
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