Instantiation

From Wikipedia, the free encyclopedia

Instantiation or instance may be

• Philosophy:

• A concept in Platonism, see idea
• Instantiation principle - the idea that if properties exist, the essence that "has" the properties must necessarily exist
• Universal instantiation and existential instantiation, two rules of inference in logic
• A substitution instance is a formula of mathematical logic that can be produced by substituting certain strings of symbols for others in formulas.

• An Object (computer science) is often also referred to as the instance of a Class (computer science)
• Table instance (or database instance), a concept in database design; see Row (database)
• Instance dungeon, a feature of many online games such as World of Warcraft and City of Heroes.
• The first moment of existence of a thing, whether living or not. The concept of the big bang theory, at the instant it happened, represents the instantiation of the universe.