diff -r 35f30e07fe0d -r 64cd30d6b0b8 src/HOL/SET_Protocol/Message_SET.thy --- a/src/HOL/SET_Protocol/Message_SET.thy Wed Dec 29 13:51:17 2010 +0100 +++ b/src/HOL/SET_Protocol/Message_SET.thy Wed Dec 29 17:34:41 2010 +0100 @@ -7,7 +7,7 @@ header{*The Message Theory, Modified for SET*} theory Message_SET -imports Main Nat_Bijection +imports Main "~~/src/HOL/Library/Nat_Bijection" begin subsection{*General Lemmas*}