Imported Upstream version 8.5~beta1+dfsg

1 files changed, 0 insertions, 35 deletions

diff --git a/plugins/ring/LegacyZArithRing.v b/plugins/ring/LegacyZArithRing.v
deleted file mode 100644
index 472c91b4..00000000
--- a/plugins/ring/LegacyZArithRing.v
+++ /dev/null
@@ -1,35 +0,0 @@
-(************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
-(************************************************************************)
-
-(* Instantiation of the Ring tactic for the binary integers of ZArith *)
-
-Require Export LegacyArithRing.
-Require Export ZArith_base.
-Require Import Eqdep_dec.
-Require Import LegacyRing.
-
-Definition Zeq (x y:Z) :=
-  match (x ?= y)%Z with
-  | Datatypes.Eq => true
-  | _ => false
-  end.
-
-Lemma Zeq_prop : forall x y:Z, Is_true (Zeq x y) -> x = y.
-  intros x y H; unfold Zeq in H.
-  apply Z.compare_eq.
-  destruct (x ?= y)%Z; [ reflexivity | contradiction | contradiction ].
-Qed.
-
-Definition ZTheory : Ring_Theory Z.add Z.mul 1%Z 0%Z Z.opp Zeq.
-  split; intros; eauto with zarith.
-  apply Zeq_prop; assumption.
-Qed.
-
-(* NatConstants and NatTheory are defined in Ring_theory.v *)
-Add Legacy Ring Z Z.add Z.mul 1%Z 0%Z Z.opp Zeq ZTheory
- [ Zpos Zneg 0%Z xO xI 1%positive ].