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concrete category

category equipped with a faithful functor to the category of sets
Thing general Q1575634
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concrete category

Summary

concrete category ranks in the top 2% of general entities by monthly Wikipedia readership (42 views/month).[1]

Key Facts

  • concrete category is a type of mathematical structure[2].
  • concrete category comprises forgetful functor[3].
  • concrete category's studied by is recorded as category theory[4].
  • concrete category's underlying structure is recorded as category[5].

Body

Definition and Type

concrete category is a type of mathematical structure[2].

Use and Application

concrete category comprises forgetful functor[3].

Why It Matters

concrete category ranks in the top 2% of general entities by monthly Wikipedia readership (42 views/month).[1] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[6] It is known by 6 alternative names across languages and contexts.[7]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [6] ↑ . Wikidata sitelinks. wikidata.org.
  3. [7] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). concrete category. Retrieved April 10, 2026, from https://4ort.xyz/entity/concrete-category
MLA “concrete category.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/concrete-category.
BibTeX @misc{4ortxyz_concrete-category_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{concrete category}}, year = {2026}, url = {https://4ort.xyz/entity/concrete-category}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): concrete category — https://4ort.xyz/entity/concrete-category (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/concrete-category · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · 慈居 · 2026-06-07 view diff on Wikidata ↗
    Aliases → —
    Underlying structure(s) → category
    Different from → Q140088628
    Subclass of → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P1889]]: [[Q140088628]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.