diff options
Diffstat (limited to 'contrib/ring/ArithRing.v')
| -rw-r--r-- | contrib/ring/ArithRing.v | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/contrib/ring/ArithRing.v b/contrib/ring/ArithRing.v index 1a6e0ba6..68464c10 100644 --- a/contrib/ring/ArithRing.v +++ b/contrib/ring/ArithRing.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(* $Id: ArithRing.v,v 1.9.2.1 2004/07/16 19:30:13 herbelin Exp $ *) +(* $Id: ArithRing.v 6295 2004-11-12 16:40:39Z gregoire $ *) (* Instantiation of the Ring tactic for the naturals of Arith $*) @@ -16,7 +16,7 @@ Require Import Eqdep_dec. Open Local Scope nat_scope. -Fixpoint nateq (n m:nat) {struct m} : bool := +Unboxed Fixpoint nateq (n m:nat) {struct m} : bool := match n, m with | O, O => true | S n', S m' => nateq n' m' @@ -32,12 +32,12 @@ Proof. trivial. Qed. -Hint Resolve nateq_prop eq2eqT: arithring. +Hint Resolve nateq_prop: arithring. Definition NatTheory : Semi_Ring_Theory plus mult 1 0 nateq. split; intros; auto with arith arithring. - apply eq2eqT; apply (fun n m p:nat => plus_reg_l m p n) with (n := n). - apply eqT2eq; trivial. + apply (fun n m p:nat => plus_reg_l m p n) with (n := n). + trivial. Defined. @@ -86,4 +86,4 @@ Ltac rewrite_S_to_plus := change (t1 = t2) in |- * end. -Ltac ring_nat := rewrite_S_to_plus; ring.
\ No newline at end of file +Ltac ring_nat := rewrite_S_to_plus; ring. |