removal of "sleep" to stop looping in Poly/ML, and replacement of funny codes by tracing statements
(* Title: ZF/IMP/ROOT.ML
ID: $Id$
Author: Heiko Loetzbeyer & Robert Sandner, TUM
Copyright 1994 TUM
Executes the formalization of the denotational and operational semantics of a
simple while-language, including an equivalence proof. The whole development
essentially formalizes/transcribes chapters 2 and 5 of
Glynn Winskel. The Formal Semantics of Programming Languages.
MIT Press, 1993.
*)
time_use_thy "Equiv";