src/HOL/Library/Char_ord.thy
changeset 48926 8d7778a19857
parent 37765 26bdfb7b680b
child 51160 599ff65b85e2
     1.1 --- a/src/HOL/Library/Char_ord.thy	Fri Aug 24 20:58:29 2012 +0200
     1.2 +++ b/src/HOL/Library/Char_ord.thy	Sun Aug 26 10:20:26 2012 +0200
     1.3 @@ -5,7 +5,7 @@
     1.4  header {* Order on characters *}
     1.5  
     1.6  theory Char_ord
     1.7 -imports Product_ord Char_nat Main
     1.8 +imports Char_nat
     1.9  begin
    1.10  
    1.11  instantiation nibble :: linorder