None may refer to: *

Zero 0 (zero) is a number representing an empty quantity. Adding (or subtracting) 0 to any number leaves that number unchanged; in mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and compl ...

, the mathematical concept of the quantity "none" *

Empty set In mathematics, the empty set or void set is the unique Set (mathematics), set having no Element (mathematics), elements; its size or cardinality (count of elements in a set) is 0, zero. Some axiomatic set theories ensure that the empty set exi ...

, the mathematical concept of the collection of things represented by "none" *''none'', an

indefinite pronoun An indefinite pronoun is a pronoun which does not have a specific, familiar referent. Indefinite pronouns are in contrast to definite pronouns. Indefinite pronouns can represent either count nouns or noncount nouns. They often have related for ...

in the English language

Music

* ''None'' (Meshuggah EP), 1994 * ''None'' (Cloak of Altering EP), 2016

Other uses

None (liturgy) None ("Ninth"), also known as Nones, the Ninth Hour, or the Midafternoon Prayer, is a fixed time of prayer of the Divine Office of almost all the traditional Christian liturgies. It consists mainly of psalms and is said around 3 pm (15:00), about t ...

, the ninth hour of the traditional Christian liturgy *

None, Piedmont None is a comune (municipality) in the Metropolitan City of Turin in the Italian region Piedmont, located about southwest of Turin. None borders the following municipalities: Orbassano, Volvera, Candiolo, Piobesi Torinese, Airasca, Castagnol ...

, a commune in the province of Turin in the Italian region of Piedmont *

Irreligion Irreligion is the absence or rejection of religious beliefs or practices. It encompasses a wide range of viewpoints drawn from various philosophical and intellectual perspectives, including atheism, agnosticism, religious skepticism, ...

, a lack of religious affiliation *

None of the above "None of the above" (NOTA), or none for short, also known as "against all" or a "scratch" vote, is a ballot option in some jurisdictions or organizations, designed to allow the voter to indicate disapproval of the candidates in a voting system ...

, a political expression for rejecting all available candidates *None, the keyword for the

null pointer In computing, a null pointer (sometimes shortened to nullptr or null) or null reference is a value saved for indicating that the Pointer (computer programming), pointer or reference (computer science), reference does not refer to a valid Object (c ...

Python Python may refer to: Snakes * Pythonidae, a family of nonvenomous snakes found in Africa, Asia, and Australia ** ''Python'' (genus), a genus of Pythonidae found in Africa and Asia * Python (mythology), a mythical serpent Computing * Python (prog ...

Music

Other uses

See also