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-rw-r--r--theories/Classes/RelationClasses.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/theories/Classes/RelationClasses.v b/theories/Classes/RelationClasses.v
index 61edb2b98..3bd9dcd12 100644
--- a/theories/Classes/RelationClasses.v
+++ b/theories/Classes/RelationClasses.v
@@ -202,6 +202,8 @@ Hint Extern 3 (PreOrder (flip _)) => class_apply flip_PreOrder : typeclass_insta
Hint Extern 4 (subrelation (flip _) _) =>
class_apply @subrelation_symmetric : typeclass_instances.
+Arguments irreflexivity {A R Irreflexive} [x] _.
+
Hint Resolve irreflexivity : ord.
Unset Implicit Arguments.