Lexus 2054 Lexus 2054 The Lexus 2054 is a concept car designed for the 2002 Steven Spielberg film "Minority Report". The vehicle was shown being built at an automated factory in the film, and later driven by star Tom Cruise in several action sequences. In 2002, Lexus was requested by Steven Spielberg, a Lexus owner himself, to design a vehicle that would fit the requirements of year 2054 for his movie adaptation of the Philip K. Dick short story "Minority Report". Designers working with Lexus came up with an advanced vehicle that would run on fuel cells and have many advanced safety
Directed set Directed set In mathematics, a directed set (or a directed preorder or a filtered set) is a nonempty set "A" together with a reflexive and transitive binary relation ≤ (that is, a preorder), with the additional property that every pair of elements has an upper bound. In other words, for any "a" and "b" in "A" there must exist "c" in "A" with "a" ≤ "c" and "b" ≤ "c". The notion defined above is sometimes called an upward directed set. A downward directed set is defined analogously, meaning when every pair of elements is bounded below. Some authors (and