- empty symbol
- мат.пустой символ
English-Russian scientific dictionary. 2008.
empty symbol
Смотреть что такое "empty symbol" в других словарях:
Empty set — ∅ redirects here. For similar looking symbols, see Ø (disambiguation). The empty set is the set containing no elements. In mathematics, and more specifically set theory, the empty set is the unique set having no elements; its size or cardinality… … Wikipedia
Empty product — In mathematics, an empty product, or nullary product, is the result of multiplying no factors. It is equal to the multiplicative identity 1, given that it exists for the multiplication operation in question, just as the empty sum the result of… … Wikipedia
Axiom of empty set — In set theory, the axiom of empty set is one of the axioms of Zermelo–Fraenkel set theory and one of the axioms of Kripke–Platek set theory. Formal statement In the formal language of the Zermelo–Fraenkel axioms, the axiom reads::exist x, forall… … Wikipedia
Jacobi symbol — The Jacobi symbol is a generalization of the Legendre symbol introduced by Jacobi in 1837 [C.G.J.Jacobi Uber die Kreisteilung und ihre Anwendung auf die Zahlentheorie , Bericht Ak. Wiss. Berlin (1837) pp 127 136] . It is of theoretical interest… … Wikipedia
Degree symbol — This article describes the typographical or mathematical symbol. For other meanings, see Degree. ° Degree symbol Punctuation … Wikipedia
Levi-Civita symbol — Not to be confused with Levi Civita connection. The Levi Civita symbol, also called the permutation symbol, antisymmetric symbol, or alternating symbol, is a mathematical symbol used in particular in tensor calculus. It is named after the Italian … Wikipedia
Null symbol — may refer to: Null character, U+0000 ␀, U+2400 symbol for null , a single character glyph NUL Null sign ∅ for the empty set Null (SQL) ω in database theory λ, Λ, or ε, for the empty string See also Null (disambiguation) … Wikipedia
Laundry symbol — Laundry care symbols with instructions in Japanese. The four symbols shown indicate that the garment must not be washed in water, must not be bleached, may be ironed only with a protective pressing cloth, and must be dry cleaned. A laundry symbol … Wikipedia
Morphological dictionary — In the field of computational linguistics, a morphological dictionary is a file that contains correspondences between surface form and lexical forms of words. Surface forms of words are those found in any text. The corresponding lexical form of a … Wikipedia
History of the People's Republic of China (1949–1976) — History of the People s Republic of China 1949–1976, The Mao Era … Wikipedia
Butch Hancock — Infobox musical artist Name = Butch Hancock Background = solo singer Born = birth date and age|1945|7|12 Origin = Lubbock, Texas Instrument = Genre = Country, Folk Occupation = Musician Years active = 1972 present Label = Associated acts = The… … Wikipedia
