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Two concepts or things are commensurable if they are measurable or comparable by a common standard.. Commensurability most commonly refers to commensurability (mathematics). ...
Depending on the type of space under consideration, one might want to use homotopy equivalences or diffeomorphisms instead of homeomorphisms in the definition. If two spaces are commensurable, then their fundamental groups are commensurable. Example: any two closed surfaces of genus at least 2 are commensurable with each other.
In ethics, two values (or norms, reasons, or goods) are incommensurable (or incommensurate, or incomparable) when they do not share a common standard of measurement or cannot be compared to each other in a certain way. There is a cluster of related ideas, and many philosophers use the terms differently. On one common usage:
In 1962, Thomas Kuhn and Paul Feyerabend both independently introduced the idea of incommensurability to the philosophy of science. In both cases, the concept came from mathematics; in its original sense, it is defined as the absence of a common unit of measurement that would allow a direct and exact measurement of two variables, such as the prediction of the diagonal of a square from the ...
Thesaurus Linguae Latinae. A modern english thesaurus. A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms ...
This is a list of nickname-related list articles on Wikipedia. A nickname is "a familiar or humorous name given to a person or thing instead of or as well as the real name." [1] A nickname is often considered desirable, symbolising a form of acceptance, but can sometimes be a form of ridicule. A moniker also means a nickname or personal name.
For example, , (,) is a projection and its restriction to a graph of a function, say, is also a projection. The terms “idempotent operator” and “forgetful map” are also synonyms for a projection.
A pseudonym is a name adopted by a person for a particular purpose, which differs from their true name. A pseudonym may be used by social activists or politicians for political purposes or by others for religious purposes. It may be a soldier's nom de guerre or an author's nom de plume.