clarified theory location and imports: avoid surprises due to Pure instead of Main (e.g. simpset operations);
tuned headers;
(* 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
(*>*)