src/HOL/ex/Landau.thy
changeset 41413 64cd30d6b0b8
parent 39302 d7728f65b353
     1.1 --- a/src/HOL/ex/Landau.thy	Wed Dec 29 13:51:17 2010 +0100
     1.2 +++ b/src/HOL/ex/Landau.thy	Wed Dec 29 17:34:41 2010 +0100
     1.3 @@ -4,7 +4,7 @@
     1.4  header {* Comparing growth of functions on natural numbers by a preorder relation *}
     1.5  
     1.6  theory Landau
     1.7 -imports Main Preorder
     1.8 +imports Main "~~/src/HOL/Library/Preorder"
     1.9  begin
    1.10  
    1.11  text {*