
diff -r e0755162093f -r 6fe5a0e1fa8e src/HOL/Library/Library.thy
--- a/src/HOL/Library/Library.thy	Sun Nov 03 21:46:46 2019 -0500
+++ b/src/HOL/Library/Library.thy	Sun Oct 27 21:51:14 2019 -0400
@@ -38,6 +38,7 @@
   Groups_Big_Fun
   Indicator_Function
   Infinite_Set
+  Interval
   IArray
   Landau_Symbols
   Lattice_Algebras




