On Mon, 5 Jul 2010 17:43:17 -0500 Pat Hayes <pha...@ihmc.us> wrote: > Well, nobody is suggesting allowing literals as predicates (although > in fact the RDF semantics would easily extend to this usage, if > required, and the analogous structures are allowed, and do have > genuine use cases, in ISO Common Logic.)
Actually, I have suggested allowing them just to make things simpler - URIs, blank nodes and literals would all be allowed in any position. However, a statement with a literal in the predicate position would be officially defined to have no meaning. -- Toby A Inkster <mailto:m...@tobyinkster.co.uk> <http://tobyinkster.co.uk>