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-rw-r--r--theories/Sets/Relations_2.v4
1 files changed, 4 insertions, 0 deletions
diff --git a/theories/Sets/Relations_2.v b/theories/Sets/Relations_2.v
index 5e3206dd9b..e180798d1f 100644
--- a/theories/Sets/Relations_2.v
+++ b/theories/Sets/Relations_2.v
@@ -50,7 +50,11 @@ Definition Strongly_confluent : Prop :=
End Relations_2.
+#[global]
Hint Resolve Rstar_0: sets.
+#[global]
Hint Resolve Rstar1_0: sets.
+#[global]
Hint Resolve Rstar1_1: sets.
+#[global]
Hint Resolve Rplus_0: sets.