universal set
universal set A set that, in a particular application, includes every other set under discussion. Such sets give a more definite meaning to notions like complement and membership: in asking whether or not x is in S, where S is some set, it is assumed that x is a member of some universal set.
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Set (seth) , set1 / set/ • v. (set·ting ; past set ) 1. [tr.] put, lay, or stand (something) in a specified place or position: Dana set the mug of tea down | Cath… Set Theory , A set is a collection of things. A set can consist of real or literal numbers (such as 1, 2, 3, 4 or a, b, c, d) or of objects (such as baseballs or… Boolean Algebra , Boolean algebra is often referred to as the algebra of logic, because the English mathematician George Boole, who is largely responsible for its begi… Reset , re·set / rēˈset/ • v. (-set·ting ; past and past part. -set ) [tr.] set again or differently: I must reset the alarm. ∎ Electr. cause (a binary devic… Georg Cantor , Cantor, Georg
Cantor, Georg
mathematics, set theory.
Cantor’s father, Georg Waldemar Cantor, was a successful and cosmopolitan merchant. His extant l… Domain , Domain
The domain of a relation is the set that contains all the first elements, x, from the ordered pairs (x,y) that make up the relation. In mathem…
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universal set