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ideal of set

См. также в других словарях:

  • Ideal (order theory) — In mathematical order theory, an ideal is a special subset of a partially ordered set (poset). Although this term historically was derived from the notion of a ring ideal of abstract algebra, it has subsequently been generalized to a different… …   Wikipedia

  • Ideal (ring theory) — In ring theory, a branch of abstract algebra, an ideal is a special subset of a ring. The ideal concept allows the generalization in an appropriate way of some important properties of integers like even number or multiple of 3 . For instance, in… …   Wikipedia

  • Ideal — may refer to:* Ideal (ethics), values that one actively pursues as goals * Platonic ideal, a philosophical idea of trueness of form, associated with PlatoIn mathematics* Ideal (ring theory), special subsets of a ring considered in abstract… …   Wikipedia

  • Set theory of the real line — is an area of mathematics concerned with the application of set theory to aspects of the real numbers. For example, one knows that all countable sets of reals are null, i.e. have Lebesgue measure 0; one might therefore ask the least possible size …   Wikipedia

  • Ideal Toy Company — was founded as Ideal Novelty and Toy Company in New York in 1907 by Morris and Rose Michtom after they had invented the Teddy bear in 1903. The company changed its name to Ideal Toy Company in 1938. In 1982, the company was sold to CBS Toy… …   Wikipedia

  • Ideal (set theory) — In the mathematical field of set theory, an ideal is a collection of sets that are considered to be small or negligible . Every subset of an element of the ideal must also be in the ideal (this codifies the idea that an ideal is a notion of… …   Wikipedia

  • Ideal class group — In mathematics, the extent to which unique factorization fails in the ring of integers of an algebraic number field (or more generally any Dedekind domain) can be described by a certain group known as an ideal class group (or class group). If… …   Wikipedia

  • Ideal (ethics) — An ideal is a principle or value that one actively pursues as a goal. Ideals are particularly important in ethics, as the order in which one places them tends to determine the degree to which one reveals them as real and sincere. It is roughly… …   Wikipedia

  • Ideal (TV series) — infobox television show name = Ideal creator = Graham Duff format = Comedy runtime = 30 minutes starring = Johnny Vegas Nichola Reynolds Graham Duff Seymour Mace country = UK network = BBC Three first aired = January 2005 last aired = present num …   Wikipedia

  • Ideal Cricket Doll — The Ideal Cricket Doll was a 16” fashion doll introduced by Ideal Toy Corporation in the year 1971 as Posin Cricket . The trademark name Cricket was first used for a doll by the American Character Doll Co. in the early 1960 s and Ideal had… …   Wikipedia

  • Ideal norm — In commutative algebra, the norm of an ideal is a generalization of a norm of an element in the field extension. It is particularly important in number theory since it measures the size of an ideal of a complicated number ring in terms of an… …   Wikipedia

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