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-rw-r--r--contrib/ring/Ring_theory.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/ring/Ring_theory.v b/contrib/ring/Ring_theory.v
index 1f6b614eb2..339afc9eb5 100644
--- a/contrib/ring/Ring_theory.v
+++ b/contrib/ring/Ring_theory.v
@@ -155,7 +155,7 @@ Notation "- 0" := (Aopp Azero) (at level 3)
Notation "- 1" := (Aopp Aone) (at level 3)
V8only (at level 40, left associativity).
Notation "- x" := (Aopp x) (at level 3)
- V8only (at level 40, left associativity).
+ V8only (at level 0, left associativity).
Record Ring_Theory : Prop :=
{ Th_plus_sym : (n,m:A) n + m == m + n;