rifraf in owl; one tiny peice

I installed protege and gave it a try.  My section was section four,
pragmatics, which starts with questions about whether the system does
forward or backward chaining, etc.   This really brought out the
difference between languages and systems.

So I put a little of that in OWL, and added instances to support it,
because it's pretty hard to tell if it's any good otherwise.  (n3 is a
rule language; cwm is one of several rule systems which implement n3.)

You can load this into protege (3.2 beta), as a new "rdf/owl files"
project:

    http://www.w3.org/2006/10/rifraf

(This kind of URL is available to the WG for the asking.  This seemed
like a good place to start.   We can set up write-access for other people
as needed.)

      -- Sandro