src/HOL/Sum_Type.thy
changeset 45204 5e4a1270c000
parent 41505 6d19301074cf
child 45694 4a8743618257
     1.1 --- a/src/HOL/Sum_Type.thy	Mon Oct 17 18:05:14 2011 +0200
     1.2 +++ b/src/HOL/Sum_Type.thy	Tue Oct 18 15:19:06 2011 +0200
     1.3 @@ -209,4 +209,6 @@
     1.4  
     1.5  hide_const (open) Suml Sumr Projl Projr
     1.6  
     1.7 +hide_const (open) sum
     1.8 +
     1.9  end