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)
#!/usr/bin/env bash
#
# $Id$
# Author: Makarius
#
# DESCRIPTION: Update standard keyword files.
isabelle -qe 'ProofGeneral.write_keywords "";' IOA
isabelle -qe 'ProofGeneral.write_keywords "HOL-Nominal";' HOL-Nominal
isabelle -qe 'ProofGeneral.write_keywords "ZF";' ZF