Minority Report (film) true, therefore the precogs have a vision of him killing Witwer. At the end, Anderton shoots Witwer and one of the brother precogs finishes him off, because Witwer had slain his twin. Spielberg was attracted to the story because as both a mystery and a movie set 50 years in the future, it allowed him to do "a blending of genres" which intrigued him. In 1998, the pair joined "Minority Report" and announced the production as a joint venture of Spielberg's DreamWorks and Amblin Entertainment, 20th Century Fox, Cruise's Cruise/Wagner Productions, and De Bont's production company, Blue Tulip. Spielberg however
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