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The principle of mutability is the notion that any physical property which appears to follow a conservation law may undergo some physical process that violates its conservation. [ 1 ] [ 2 ] [ 3 ] John Archibald Wheeler offered this speculative principle after Stephen Hawking predicted the evaporation of black holes which violates baryon number ...
Making a shallow copy of a const or immutable value removes the outer layer of immutability: Copying an immutable string (immutable(char[])) returns a string (immutable(char)[]). The immutable pointer and length are being copied and the copies are mutable. The referred data has not been copied and keeps its qualifier, in the example immutable.
One example is mutability: whether the objects storing extrinsic flyweight state can change. Immutable objects are easily shared, but require creating new extrinsic objects whenever a change in state occurs. In contrast, mutable objects can share state. Mutability allows better object reuse via the caching and re-initialization of old, unused ...
An immutable characteristic is any physical attribute perceived as unchangeable, entrenched and innate. The term is often used to describe segments of the population that share such attributes and are contrasted with others by those attributes, and is used in human rights law to classify protected groups of people who should be protected from civil or criminal actions directed against those ...
Kahneman and Miller (1986) also introduced the concept of mutability to describe the ease or difficulty of cognitively altering a given outcome. An immutable outcome (e.g., gravity) is difficult to modify cognitively whereas a mutable outcome (e.g., speed) is easier to cognitively modify. Most events lie somewhere in the middle of these ...
Cuvier attacked the ideas of Lamarck and Geoffroy Saint-Hilaire, agreeing with Aristotle that species were immutable. Cuvier believed that the individual parts of an animal were too closely correlated with one another to allow for one part of the anatomy to change in isolation from the others, and argued that the fossil record showed patterns ...
The Immutability or Unchangeability of God is an attribute that "God is unchanging in his character, will, and covenant promises." [ 1 ] The Westminster Shorter Catechism says that "[God] is a spirit, whose being, wisdom , power, holiness, justice , goodness , and truth are infinite, eternal, and unchangeable."
[79] [80] Although Charles Lyell opposed scriptural geology, he also believed in the immutability of species, and in his Principles of Geology, he criticized Lamarck's theories of development. [68] Idealists such as Louis Agassiz and Richard Owen believed that each species was fixed and unchangeable because it represented an idea in the mind of ...