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-rw-r--r--contrib/setoid_ring/Ring_theory.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/contrib/setoid_ring/Ring_theory.v b/contrib/setoid_ring/Ring_theory.v
index b7876130a..29feab5ca 100644
--- a/contrib/setoid_ring/Ring_theory.v
+++ b/contrib/setoid_ring/Ring_theory.v
@@ -19,6 +19,8 @@ Reserved Notation "x -! y" (at level 50, left associativity).
Reserved Notation "x *! y" (at level 40, left associativity).
Reserved Notation "-! x" (at level 35, right associativity).
+Reserved Notation "[ x ]" (at level 0).
+
Reserved Notation "x ?== y" (at level 70, no associativity).
Reserved Notation "x -- y" (at level 50, left associativity).
Reserved Notation "x ** y" (at level 40, left associativity).