explicit predicate for confined bit range avoids cyclic rewriting in presence of extensionality rule for bit values (contributed by Thomas Sewell)
(* Title: HOL/MicroJava/DFA/Semilattices.thy
Author: Gerwin Klein
Copyright 2003 TUM
*)
section \<open>Semilattices\<close>
(*<*)
theory Semilattices
imports Err Opt Product Listn
begin
end
(*>*)