diff -r db43ee05066d -r beeadb35e357 src/HOL/Library/Library.thy
--- a/src/HOL/Library/Library.thy	Wed Sep 23 08:52:41 2020 +0000
+++ b/src/HOL/Library/Library.thy	Wed Sep 23 11:14:38 2020 +0000
@@ -86,6 +86,7 @@
   Saturated
   Set_Algebras
   Set_Idioms
+  Signed_Division
   State_Monad
   Stirling
   Stream