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Identity

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Identity

{{wiktionary}}{{TOCright}}Identity may refer to:

Philosophy

Identity (philosophy), the sameness of two things
Identity theory of mind, in the philosophy of mind, holds that the mind is identical to the brain
Personal identity (philosophy)
Identity (social science)
Identity formation
Law of identity, a principle of logic

Mathematics

Identity (mathematics), an equality that holds regardless of the values of its variables
Identity function, a function that does not alter its argument
Identity element, a special element in a set or structure with respect to an operator
Identity matrix, a square matrix I with ones on the diagonal, zeros elsewhere

Social science and psychology

Identity (social science), stemming from cognitive theory, sociology, politics, and psychology.
Cultural identity, a person's self-affiliation (or categorization by others) as a member of a cultural group
Gender identity, the gender with which a person identifies (or is identified by others)
Psychological identity, an individual's unique identity that develops relatively late in his life. (see Identity formation)
Online identity, established and used by computer network users (see also Digital identity in Computer Science)
National identity, belief in membership of a nation.

In some countries where there is more than one "nation" in the state or identity is otherwise confused, there may be a debate over what the nation's real identity is, see:

*Britishness, Scottish national identity *Canadian identity, Québécois nation motion

Business

Accounting identity, a basic accounting relation that must hold by definition
Corporate identity, the physical manifestation of a business brand
Identity theft, the deliberate appropriation of someone else's identity (without that person's permission) for criminal purposes

Computer science

Digital identity, the representation of identity in terms of digital information (see also online identity in social science)
Federated identity, identity management with defined trust relations between independent principals
Laws of identity weblink, laws that define a unifying identity metasystem
Identity (object-oriented programming), a property of objects that allows those objects to be distinguished from each other.
Identity column in SQL Server, a database field whose values uniquely identify a row in the table

Religion

Christian Identity, a Christian religious movement

Television, film, music and literature

Identity (novel), by Milan Kundera
Identity (film), directed by James Mangold and starring John Cusack
Identity (album), by Zee with Richard Wright and Dave Harris
Identity (music), a transformation of pitches in music
Identity (game show), a short lived game show
(Identity (Law & Order: Special Victims Unit)|"Identity" (Law & Order: Special Victims Unit)), an episode of Law & Order: Special Victims Unit
Identity, an episode of the USA Network television show Burn Notice.
Identify (song), a Natalie Imbruglia song
iD_eNTITY, a manhwa