2008 Toronto International Film Festival 2008 Toronto International Film Festival The 2008 Toronto International Film Festival, (TIFF) was held in Toronto, Ontario, Canada. This 33rd annual festival was from September 4 to September 13, 2008. The opening night gala was the World War I romantic epic "Passchendaele" from Canadian director Paul Gross. Festival is heavy on Canadian fare as well as featuring prominent indie films and worldwide and/or North American debuts including: "Adoration" directed by Canada's own Atom Egoyan, "Appaloosa" the second film from Ed Harris (who directed "Pollock"), "Blindness" from screenwriter-director, Fernando Meirelles, Iraq war thriller "The Hurt Locker" directed by Kathryn Bigelow, and
Directed set this article) assume that a directed set is directed upward, unless otherwise stated. Beware that other authors call a set directed if and only if it is directed both upward and downward. Directed sets are a generalization of nonempty totally ordered sets. That is, all totally ordered sets are directed sets (contrast "partially" ordered sets, which need not be directed). Join semilattices (which are partially ordered sets) are directed sets as well, but not conversely. Likewise, lattices are directed sets both upward and downward. In topology, directed sets are used to define nets, which generalize sequences and unite the various