Intrinsic

Intrinsic. In its most fundamental sense, the term denotes a property or value that is inherent to an entity itself, independent of external factors, relations, or observers. This concept is foundational across numerous disciplines, from metaphysics and ethics to physics and economics, where it contrasts with extrinsic or instrumental qualities. The distinction between what is intrinsic and what is extrinsic is central to debates about the nature of reality, value, and function, influencing thinkers from Aristotle to contemporary analytic philosophy.

Definition and etymology

The word "intrinsic" originates from the Latin *intrinsecus*, meaning "inward" or "on the inside," a combination of *intra* (within) and *secus* (alongside). Its philosophical usage was solidified in the works of medieval scholastic philosophers, who contrasted it with *extrinsecus*. In modern discourse, an intrinsic property is one an object has in and of itself, regardless of its surroundings or its relations to other things, such as the mass of a particle or the chemical composition of a diamond. This is opposed to extrinsic properties, like being valued by a collector or being located north of London, which depend on external circumstances.

In philosophy

Within philosophy, the intrinsic/extrinsic distinction is pivotal in metaphysics, ethics, and philosophy of mind. In metaphysics, philosophers like David Lewis and David Armstrong debated whether all genuine properties are intrinsic. In ethics, Immanuel Kant's categorical imperative argues for the intrinsic worth of rational beings, while utilitarianism, as advanced by Jeremy Bentham and John Stuart Mill, often views value as extrinsic, based on consequences. The concept is also crucial in aesthetics, where some argue for the intrinsic value of a work of art like Leonardo da Vinci's *Mona Lisa*, independent of its cultural impact or market price at Sotheby's.

In science and mathematics

In the natural sciences, intrinsic properties are those that are fundamental and measurable without reference to an external frame. In physics, properties like electric charge, spin, and rest mass are considered intrinsic to subatomic particles, as described by the Standard Model. In astronomy, the luminosity of a star is an intrinsic property, unlike its apparent brightness as seen from Earth. In mathematics, an intrinsic definition of a manifold or a curve is given without embedding it in an ambient space, a concept advanced by Carl Friedrich Gauss in his *Theorema Egregium* and further developed in the differential geometry of Bernhard Riemann.

In economics and value theory

In economics and value theory, intrinsic value refers to the perceived inherent worth of an asset, independent of its market price. This concept is central to the work of Adam Smith in *The Wealth of Nations* and contrasts with the subjective theory of value advanced by the Austrian School, including Carl Menger and Ludwig von Mises. In finance, the intrinsic value of a stock option is calculated based on the underlying asset's price relative to the strike price, a model formalized by Fischer Black and Myron Scholes. Debates over intrinsic value also feature in discussions about Marxist labor theory of value and in environmental economics regarding the intrinsic value of ecosystems.

In computing and electronics

Within computing and electronics, "intrinsic" often refers to functions or properties built directly into hardware or low-level software. In computer programming, intrinsic functions are built-in operations, like those in the x86 instruction set for processors from Intel Corporation or Advanced Micro Devices, that are handled directly by the CPU for efficiency. In computer graphics, intrinsic parameters of a camera model define its internal geometry. In semiconductor physics, an intrinsic semiconductor like pure silicon has electrical conductivity determined by its inherent material properties, as opposed to extrinsic semiconductors doped with impurities from elements like phosphorus or boron.

Category:Concepts in metaphysics Category:Philosophical terminology Category:Value theory