Search results
Results from the WOW.Com Content Network
The equals sign (British English) or equal sign (American English), also known as the equality sign, is the mathematical symbol =, which is used to indicate equality in some well-defined sense. [1] In an equation , it is placed between two expressions that have the same value, or for which one studies the conditions under which they have the ...
Corner quotes, also called “Quine quotes”; for quasi-quotation, i.e. quoting specific context of unspecified (“variable”) expressions; [3] also used for denoting Gödel number; [4] for example “āGā” denotes the Gödel number of G. (Typographical note: although the quotes appears as a “pair” in unicode (231C and 231D), they ...
[8]: 4 That is, a sign can only be understood when the relationship between the two components that make up the sign are agreed upon. Saussure argued that the meaning of a sign "depends on its relation to other words within the system;" for example, to understand an individual word such as "tree," one must also understand the word "bush" and ...
Two objects that are not equal are said to be distinct. A formula such as =, where x and y are any expressions, means that x and y denote or represent the same object. [2] For example, = /, are two notations for the same number. Similarly, using set builder notation,
The use of multiple representations supports and requires tasks that involve decision-making and other problem-solving skills. [2] [3] [4] The choice of which representation to use, the task of making representations given other representations, and the understanding of how changes in one representation affect others are examples of such mathematically sophisticated activities.
Adopting the classification of Charles Sanders Peirce, this would be considered an indexical sign, i.e. there is a direct connection between the signifier and the signified. While it is true that an unedited photograph may be an index, digital technology is eroding the viewer's confidence that the image is an objective representation of reality.
The Mandelbrot set, one of the most famous examples of mathematical visualization. Mathematical phenomena can be understood and explored via visualization. Classically, this consisted of two-dimensional drawings or building three-dimensional models (particularly plaster models in the 19th and early 20th century).
Example of a data structure diagram. A data structure diagram (DSD) is the visual representation of a certain kind of data model that contains entities, their relationships, and the constraints that are placed on them. It is an older alternative to the entity–relationship model.