src/HOL/Library/Char_ord.thy
changeset 30663 0b6aff7451b2
parent 28562 4e74209f113e
child 37765 26bdfb7b680b
     1.1 --- a/src/HOL/Library/Char_ord.thy	Mon Mar 23 08:14:23 2009 +0100
     1.2 +++ b/src/HOL/Library/Char_ord.thy	Mon Mar 23 08:14:24 2009 +0100
     1.3 @@ -1,12 +1,11 @@
     1.4  (*  Title:      HOL/Library/Char_ord.thy
     1.5 -    ID:         $Id$
     1.6      Author:     Norbert Voelker, Florian Haftmann
     1.7  *)
     1.8  
     1.9  header {* Order on characters *}
    1.10  
    1.11  theory Char_ord
    1.12 -imports Plain Product_ord Char_nat
    1.13 +imports Product_ord Char_nat Main
    1.14  begin
    1.15  
    1.16  instantiation nibble :: linorder