Abstract and concrete

Rarity: Common

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At a glance

Class

Notion

Domain

Beliefs and thought

In collections

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What Wikipedia says

In philosophy, a fundamental distinction exists between abstract and concrete entities. While there is no universally accepted definition, common examples illustrate the difference: numbers, sets, and ideas are typically classified as abstract objects, whereas plants, dogs, and planets are considered concrete objects.

Excerpt from the Wikipedia article “Abstract and concrete”, under the CC BY-SA 4.0 license. Read the article on Wikipedia