src/Pure/ML-Systems/polyml-4.2.0.ML

added an intro lemma for freshness of products; set up
the simplifier so that it can deal with the compact and
long notation for freshness constraints (FIXME: it should
also be able to deal with the special case of freshness
of atoms)

(*  Title:      Pure/ML-Systems/polyml-4.2.0.ML
    ID:         $Id$

Compatibility wrapper for Poly/ML 4.2.0.
*)

use "ML-Systems/polyml-4.1.4-patch.ML";
use "ML-Systems/polyml.ML";