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In philosophy and the arts, a fundamental distinction is between things that are abstract and things that are concrete.While there is no general consensus as to how to precisely define the two, examples include that things like numbers, sets, and ideas are abstract objects, while plants, dogs, and planets are concrete objects. [1]
Influenced by Kant's philosophy, Georg Wilhelm Friedrich Hegel (1770–1831) linked ontology and logic. He said that being and thought are identical and examined their foundational structures. [202] Arthur Schopenhauer (1788–1860) rejected Hegel's philosophy and proposed that the world is an expression of a blind and irrational will. [203]
An abstract, high-level construal of an activity (e.g., "learning to speak French") may lead to a more positive evaluation of that activity than a concrete, low-level construal (e.g., "learning to conjugate the irregular French verb 'avoir ' "). Thus, CLT predicts that we will think about the value of the low-level construals when evaluating an ...
Abstraction uses a strategy of simplification, wherein formerly concrete details are left ambiguous, vague, or undefined; thus effective communication about things in the abstract requires an intuitive or common experience between the communicator and the communication recipient. This is true for all verbal/abstract communication.
A notion that philosophy, especially ontology and the philosophy of mathematics, should abstain from set theory owes much to the writings of Nelson Goodman (see especially Goodman 1940 and 1977), who argued that concrete and abstract entities having no parts, called individuals, exist. Collections of individuals likewise exist, but two ...
Platonism is the view that there exist such things as abstract objects — where an abstract object is an object that does not exist in space or time and which is therefore entirely non-physical and non-mental. Platonism in this sense is a contemporary view. [21] Most contemporary Platonists trace their views to those of Gottlob Frege.
The triad terms "abstract–negative–concrete" contain an implicit explanation for the flaws in Kant's terms. The first term, "thesis", deserves its anti-thesis simply because it is too abstract. The third term, "synthesis", has completed the triad, making it concrete and no longer abstract by absorbing the negative.
Abstract labour and concrete labour refer to a distinction made by Karl Marx in his critique of political economy. It refers to the difference between human labour in general as economically valuable worktime versus human labour as a particular activity that has a specific useful effect within the (capitalist) mode of production .