if the goal contains no constants or frees, fall back on chained facts, then on local facts, etc., instead of generating a trivial ATP problem
(* Title: HOL/MicroJava/BV/Semilat.thy
Author: Gerwin Klein
Copyright 2003 TUM
*)
header {* Semilattices *}
(*<*)
theory Semilattices
imports Err Opt Product Listn
begin
end
(*>*)