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-rw-r--r--theories/Classes/SetoidClass.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/theories/Classes/SetoidClass.v b/theories/Classes/SetoidClass.v
index 33d98548db..995b371853 100644
--- a/theories/Classes/SetoidClass.v
+++ b/theories/Classes/SetoidClass.v
@@ -17,6 +17,8 @@
Set Implicit Arguments.
Unset Strict Implicit.
+Generalizable Variables A.
+
Require Import Coq.Program.Program.
Require Import Relation_Definitions.