None may refer to:
*
Zero
0 (zero) is a number representing an empty quantity. In place-value notation such as the Hindu–Arabic numeral system, 0 also serves as a placeholder numerical digit, which works by multiplying digits to the left of 0 by the radix, usu ...
, the mathematical concept of the quantity "none"
*
Empty set
In mathematics, the empty set is the unique set having no elements; its size or cardinality (count of elements in a set) is zero. Some axiomatic set theories ensure that the empty set exists by including an axiom of empty set, while in oth ...
, the mathematical concept of the collection of things represented by "none"
*''none'', an
indefinite pronoun in the English language
Music
*
''None'' (Meshuggah EP), 1994
*
''None'' (Cloak of Altering EP), 2013
Other uses
*
None (liturgy)
Nones (), also known as None ( la, Nona, "Ninth"), 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, ...
, 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, Castagnole ...
, a commune in the province of Turin in the Italian region of Piedmont
*
Irreligion
Irreligion or nonreligion is the absence or rejection of religion, or indifference to it. Irreligion takes many forms, ranging from the casual and unaware to full-fledged philosophies such as atheism and agnosticism, secular humanism and an ...
, 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 syst ...
, a political expression for rejecting all available candidates
*None, the keyword for the
null pointer
In computing, a null pointer or null reference is a value saved for indicating that the pointer or reference does not refer to a valid object. Programs routinely use null pointers to represent conditions such as the end of a list of unknown lengt ...
in
Python
See also
*
Nones (disambiguation) Nones may refer to:
* ''Nones'' (Auden), a 1951 book of poems by W. H. Auden
* ''Nones'' (Berio), a 1954 orchestral composition by Luciano Berio
*Nones (calendar), or ''Nonae'', days of the Roman Calendar
*None (liturgy), the ninth hour of the trad ...
*
Nothing (disambiguation)
Nothing is the concept of the absence of anything.
Nothing or The Nothing may also refer to:
*Zero, the mathematical concept of the quantity of things in "nothing"
* The empty set, the mathematical concept of the collection of things represented ...
*
Zero (disambiguation)
Zero is both the digit 0 and the number 0.
Zero or Zeros may also refer to:
Arts, entertainment and media Comics
* Zero (Marvel Comics), several characters in the Marvel Comics Universe
* ''Zero'' (manhwa), a Korean manhwa by Dall-Young Lim a ...
*
Nun (disambiguation)
A nun is a member of a religious community of women.
Nun, Nuns or NUN may also refer to:
* Nun (band), an Australian music group
* Nun (biblical figure)
* Nun (letter), in many Semitic alphabets
* Nun languages, a group of Eastern Grassfields lan ...
*
Nunn (disambiguation) Nunn may refer to:
* Nunn (surname)
* Alan Nunn May (1911–2003), English physicist
* Nunn, Colorado, United States
* Nunn (crater), a lunar impact crater
See also
* None (disambiguation)
* Nun (disambiguation)
A nun is a member of a religious ...
{{disambiguation