clarified goal structure with proper instantiation of main goal, to support "show_goal_inst";
(*  Title:      HOL/HOLCF/HOLCF.thy
    Author:     Franz Regensburger
    Author:     Brian Huffman
HOLCF -- a semantic extension of HOL by the LCF logic.
*)
theory HOLCF
imports
  Main
  Domain
  Powerdomains
begin
default_sort "domain"
end