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-rw-r--r--theories/Numbers/Integer/BigZ/BigZ.v4
1 files changed, 1 insertions, 3 deletions
diff --git a/theories/Numbers/Integer/BigZ/BigZ.v b/theories/Numbers/Integer/BigZ/BigZ.v
index cb920124..e5e950ac 100644
--- a/theories/Numbers/Integer/BigZ/BigZ.v
+++ b/theories/Numbers/Integer/BigZ/BigZ.v
@@ -8,7 +8,7 @@
(* Benjamin Gregoire, Laurent Thery, INRIA, 2007 *)
(************************************************************************)
-(*i $Id: BigZ.v 11282 2008-07-28 11:51:53Z msozeau $ i*)
+(*i $Id: BigZ.v 11576 2008-11-10 19:13:15Z msozeau $ i*)
Require Export BigN.
Require Import ZMulOrder.
@@ -104,8 +104,6 @@ exact sub_opp.
exact add_opp.
Qed.
-Typeclasses unfold NZadd NZmul NZsub NZeq.
-
Add Ring BigZr : BigZring.
(** Todo: tactic translating from [BigZ] to [Z] + omega *)