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catamorphism

homomorphism from an initial algebra into another algebra
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catamorphism

Summary

catamorphism ranks in the top 2% of general entities by monthly Wikipedia readership (167 views/month).[1]

Key Facts

  • catamorphism is a type of category theory[2].
  • catamorphism's different from is recorded as anamorphism[3].
  • catamorphism's studied by is recorded as category theory[4].

Body

Definition and Type

catamorphism is a type of category theory[2].

Why It Matters

catamorphism ranks in the top 2% of general entities by monthly Wikipedia readership (167 views/month).[1] catamorphism has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[5] catamorphism is known by 4 alternative names across languages and contexts.[6]

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.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [5] ↑ . Wikidata sitelinks. wikidata.org.
  3. [6] ↑ . 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). catamorphism. Retrieved October 5, 2026, from https://4ort.xyz/entity/catamorphism
MLA “catamorphism.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Oct. 2026, https://4ort.xyz/entity/catamorphism.
BibTeX @misc{4ortxyz_catamorphism_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{catamorphism}}, year = {2026}, url = {https://4ort.xyz/entity/catamorphism}, note = {Accessed: 2026-10-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): catamorphism — https://4ort.xyz/entity/catamorphism (retrieved 2026-10-05)

Canonical URL: https://4ort.xyz/entity/catamorphism · 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. 27d ago · VGMaintenanceBot bot · 2026-09-08 view diff on Wikidata ↗
    Studied by → category theory
    Different from → anamorphism
    Subclass of → category theory
    Aliases → —
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ [[Property:P9675]]: 8948, Add qualifier to Rosetta Code page ID `Catamorphism`"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.