Instantiation
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(Redirected from Instance) Jump to: navigation, searchInstantiation or instance
- Philosophy:
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- A concept in Platonism, see the Theory of Forms Plato's theory of Forms or theory of Ideas asserts that non-material abstract forms (or ideas), and not the material world of change known to us through sensation, possess the highest and most fundamental kind of reality. When used in this sense, the word form is often capitalized. Plato says that these Forms are the only true objects of study
- Instantiation principle - the idea that if properties exist, the essence that "has" the properties must necessarily exist
- Universal instantiation In logic universal instantiation is an inference from a truth about each member of a class of individuals to the truth about a particular individual of that class. It is generally given as a quantification rule for the universal quantifier but it can also be encoded in an axiom. It is one of the basic principles used in quantification theory and existential instantiation, two rules of logical inference
- A substitution instance In propositional logic, a substitution instance of a propositional formula is a second formula obtained by replacing symbols of the original formula by other formulas. A key fact is that for any consistent formal system, any substitution of a tautology will also produce a tautology is a formula of mathematical logic that can be produced by substituting certain strings of symbols for others in formulas.
- In computer science instance (computer science) can refer generally to any running process, or specifically to an Object (computer science) In computer science, an object is any entity that can be manipulated by the commands of a programming language, such as a value, variable, function, or data structure, as in an instance of a class. The process of creating a new object (or instance of a class) is often referred to as instantiation.
- Table instance (or database instance), a concept in database design; see Row (database) In the context of a relational database, a row—also called a record or tuple—represents a single, implicitly structured data item in a table. In simple terms, a database table can be thought of as consisting of rows and columns or fields. Each row in a table represents a set of related data, and every row in the table has the same structure
- Instance dungeon In MMORPGs, an instance location is a special area, typically a dungeon, that generates a new copy, or instance, of the dungeon map for each group, or for certain amount of players, that enters the area. This saves server work and ensures that there will never be competition over resources such as mobs within the instance. Because the player, a feature of many online games such as World of Warcraft and City of Heroes
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