diff options
Diffstat (limited to 'contrib/ring/ZArithRing.v')
| -rw-r--r-- | contrib/ring/ZArithRing.v | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/contrib/ring/ZArithRing.v b/contrib/ring/ZArithRing.v index c511c076..3999b632 100644 --- a/contrib/ring/ZArithRing.v +++ b/contrib/ring/ZArithRing.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(* $Id: ZArithRing.v,v 1.5.2.1 2004/07/16 19:30:13 herbelin Exp $ *) +(* $Id: ZArithRing.v 6295 2004-11-12 16:40:39Z gregoire $ *) (* Instantiation of the Ring tactic for the binary integers of ZArith *) @@ -14,7 +14,7 @@ Require Export ArithRing. Require Export ZArith_base. Require Import Eqdep_dec. -Definition Zeq (x y:Z) := +Unboxed Definition Zeq (x y:Z) := match (x ?= y)%Z with | Datatypes.Eq => true | _ => false @@ -27,10 +27,10 @@ Lemma Zeq_prop : forall x y:Z, Is_true (Zeq x y) -> x = y. Qed. Definition ZTheory : Ring_Theory Zplus Zmult 1%Z 0%Z Zopp Zeq. - split; intros; apply eq2eqT; eauto with zarith. - apply eqT2eq; apply Zeq_prop; assumption. + split; intros; eauto with zarith. + apply Zeq_prop; assumption. Qed. (* NatConstants and NatTheory are defined in Ring_theory.v *) Add Ring Z Zplus Zmult 1%Z 0%Z Zopp Zeq ZTheory - [ Zpos Zneg 0%Z xO xI 1%positive ].
\ No newline at end of file + [ Zpos Zneg 0%Z xO xI 1%positive ]. |