- From: Michael Kifer <kifer@cs.sunysb.edu>
- Date: Fri, 11 Jul 2008 12:36:02 -0400
- To: Jos de Bruijn <debruijn@inf.unibz.it>
- Cc: RIF <public-rif-wg@w3.org>
On Fri, 11 Jul 2008 09:29:54 +0200 Jos de Bruijn <debruijn@inf.unibz.it> wrote: > > >> The second issue is not an error, but it can be considered misleading > >> (the BNF is too liberal): in the presentation syntax, rules are > >> quantified rule implications. So, an atomic formula is not a rule and > >> may thus not be directly included in a group. According to the BNF, an > >> atomic formula can be considered a rule; this is misleading. > > > > There was a mistake in the math syntax. Groups should also allow atomic > > formulas. Fixed. > > One more thing: atomic formulas can also contain variables. I guess > that such non-ground atomic formulas should not be allowed in groups? I see no reasons why such formulas should be disallowed. They are allowed as part of the KB, so why disallow them in groups?
Received on Friday, 11 July 2008 16:36:53 UTC