proper proof body context for Simplifier plugins (solvers, loopers, ...) -- avoid crash due to Subgoal.FOCUS (before e58bc223f46c);
theory HOLCF_Library
imports
Bool_Discrete
Char_Discrete
Defl_Bifinite
Int_Discrete
List_Cpo
List_Predomain
Nat_Discrete
Option_Cpo
Stream
Sum_Cpo
begin
end