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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) *)
(************************************************************************)
(* *)
(* Micromega: A reflexive tactic using the Positivstellensatz *)
(* *)
(* Frédéric Besson (Irisa/Inria) 2013-2016 *)
(* *)
(************************************************************************)
Require Import ZMicromega.
Require Import ZArith.
Require Import RingMicromega.
Require Import VarMap.
Require Coq.micromega.Tauto.
Declare ML Module "micromega_plugin".
Ltac preprocess :=
zify ; unfold Z.succ in * ; unfold Z.pred in *.
Ltac zchange :=
intros __wit __varmap __ff ;
change (Tauto.eval_f (Zeval_formula (@find Z Z0 __varmap)) __ff) ;
apply (ZTautoChecker_sound __ff __wit).
Ltac zchecker_no_abstract := zchange ; vm_compute ; reflexivity.
Ltac zchecker_abstract := zchange ; vm_cast_no_check (eq_refl true).
Ltac zchecker := zchecker_no_abstract.
Ltac lia := preprocess; xlia zchecker.
Ltac nia := preprocess; xnlia zchecker.
(* Local Variables: *)
(* coding: utf-8 *)
(* End: *)
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