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formal language

set of strings of symbols that may be constrained by rules that are specific to it; words whose letters are taken from an alphabet and are well-formed according to a specific set of rules
Place linguistic_term Q192161
formal language
Aaron Rotenberg · Public Domain · Wikimedia
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Summary

formal language is a linguistic term[1]. It ranks in the top 8% of linguistic term entities by monthly Wikipedia readership (3,023 views/month).[2]

Key Facts

  • Instance of: computer science term[3], type of language[4]
  • Subclass of: formal system[5]
  • Has use: foundations of mathematics[6]
  • Commons category: Formal languages[7]
  • Topic's main category: Category:Formal languages[8]
  • Topic has template: Template:Formal languages[9]
  • Stack Exchange tag: https://mathoverflow.net/tags/formal-languages[10], https://math.stackexchange.com/tags/formal-languages[11], https://stackoverflow.com/tags/formal-languages[12], https://cs.stackexchange.com/tags/formal-languages[13], https://cstheory.stackexchange.com/tags/fl.formal-languages[14], https://proofassistants.stackexchange.com/tags/formal-languages[15]
  • Has characteristic: formal grammar[16], formal semantics[17]
  • Different from: formalized language[18], artificial language[19], language[20], formal register[21]
  • Studied by: formal language theory[22]
  • Maintained by WikiProject: WikiProject Mathematics[23]
  • P14541: 11PN4[24]

Why It Matters

formal language has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[25] It is known by 63 alternative names across languages and contexts.[26]

Related Entities

Alexander Ollongren Arto Salomaa Derick Wood Dieter Fensel Igor Potapov Jiří Šimša Joost Engelfriet Kamala Krithivasan Karel Čulík Lukas Fleischer machine code Marian Gheorghe Miroslav Langer Petr Jirků Sandra Zilles Wojciech Rytter Zalán Bodó

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . Wikidata sitelinks. wikidata.org.
  3. [26] ↑ . 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). formal language. Retrieved October 10, 2026, from https://4ort.xyz/entity/formal-language
MLA “formal language.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Oct. 2026, https://4ort.xyz/entity/formal-language.
BibTeX @misc{4ortxyz_formal-language_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{formal language}}, year = {2026}, url = {https://4ort.xyz/entity/formal-language}, note = {Accessed: 2026-10-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): formal language — https://4ort.xyz/entity/formal-language (retrieved 2026-10-10)

Canonical URL: https://4ort.xyz/entity/formal-language · 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. 3d ago · عُثمان · 2026-10-09 view diff on Wikidata ↗
    Opposite of → —
    Wikipedia languages → ['ar', 'az', 'bg', 'bs', 'ca', 'ckb', 'cs', 'da', 'de', 'el', 'en', 'eo', 'es',
    Claims rich → —
    "/* wbremoveclaims-remove:1| */ Opposite of: natural language"
  2. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 11PN4
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  3. 17w ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Svkkl authority id → 0202662-formalni-jazyky
    "/* wbcreateclaim-create:1| */ Svkkl authority id: 0202662-formalni-jazyky, [[:toollabs:quickstatements/#/batch/259494|batch #259494]]"
  4. 20w ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Studied by → formal language theory
    Instance of → linguistic term, computer science term, type of language
    Maintained by wikiproject → WikiProject Mathematics
    Opposite of → —
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ National library of israel j9u id: 987007545721205171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.