Prolog

programming language that uses first order logic
Place programming_language Q163468
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Prolog

Summary

Prolog is a programming language[1]. Prolog ranks in the top 1% of programming_language entities by monthly Wikipedia readership (578 views/month).[2]

Key Facts

  • Prolog was influenced by Planner[3].
  • Prolog's instance of is recorded as programming language[4].
  • Prolog's instance of is recorded as declarative programming language[5].
  • Prolog's instance of is recorded as deductive language[6].
  • Prolog's instance of is recorded as logic programming language[7].
  • Prolog is a type of declarative programming language[8].
  • Prolog's designed by is recorded as Alain Colmerauer[9].
  • Prolog's designed by is recorded as Robert Kowalski[10].
  • Prolog's designed by is recorded as Philippe Roussel[11].
  • 1972 marks the founding of Prolog[12].
  • Prolog's topic's main category is recorded as Category:Prolog programming language family[13].
  • Prolog's file extension is recorded as pl[14].
  • Prolog's file extension is recorded as pro[15].
  • Prolog's file extension is recorded as P[16].
  • Prolog's described by source is recorded as High-performance logic programming with the Aquarius Prolog compiler[17].
  • Prolog's Stack Exchange tag is recorded as https://stackoverflow.com/tags/prolog[18].
  • Prolog's equivalent class is recorded as https://www.webkb.org/doc/RDF/phOntology.rdfs#Prolog[19].
  • Prolog's different from is recorded as prologue[20].
  • Prolog's programming paradigm is recorded as logic programming[21].
  • Prolog's programming paradigm is recorded as declarative programming[22].
  • Prolog's derivative work is recorded as Strawberry Prolog[23].
  • Prolog's derivative work is recorded as Datalog[24].

Body

Designation and Status

Recorded instance of include programming language[4], declarative programming language[5], deductive language[6], and logic programming language[7].

History and Context

1972 marks the founding of Prolog[12].

Why It Matters

Prolog ranks in the top 1% of programming_language entities by monthly Wikipedia readership (578 views/month).[2] Prolog has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[25] Prolog is known by 32 alternative names across languages and contexts.[26]

Prolog has been cited as an influence by Wolfram Language[27], a programming language[28], founded in 1988[29]; Go![30], a multi-paradigm programming language[31], founded in 2003[32]; Mercury[33], a programming language[34], founded in 1995[35]; Curry[36], a functional programming language[37], founded in 1995[38]; Oz[39], a programming language[40], founded in 1991[41]; and Constraint Handling Rules[42], a constraint programming language[43], founded in 1991[44].

FAQs

Who did Prolog influence?

Prolog has been cited as an influence by Wolfram Language[27], Go![30], Mercury[33], and Curry[36].

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [8] ↑ . wikidata.org.
  6. [9] ↑ . wikidata.org.
  7. [10] ↑ . wikidata.org.
  8. [11] ↑ . wikidata.org.
  9. [12] ↑ . wikidata.org.
  10. [3] ↑ . 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] ↑ . Q141624432. wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [27] ↑ . wikidata.org. → on this site
  2. [30] ↑ . wikidata.org. → on this site
  3. [33] ↑ . wikidata.org. → on this site
  4. [36] ↑ . wikidata.org. → on this site
  5. [39] ↑ . wikidata.org. → on this site
  6. [42] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site
  3. [31] ↑ . Wikidata. wikidata.org. → on this site
  4. [32] ↑ . Wikidata. wikidata.org. → on this site
  5. [34] ↑ . Wikidata. wikidata.org. → on this site
  6. [35] ↑ . Wikidata. wikidata.org. → on this site
  7. [37] ↑ . Wikidata. wikidata.org. → on this site
  8. [38] ↑ . Wikidata. wikidata.org. → on this site
  9. [40] ↑ . Wikidata. wikidata.org. → on this site
  10. [41] ↑ . Wikidata. wikidata.org. → on this site
  11. [43] ↑ . Wikidata. wikidata.org. → on this site
  12. [44] ↑ . Wikidata. wikidata.org. → on this site

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). Prolog. Retrieved October 3, 2026, from https://4ort.xyz/entity/prolog
MLA “Prolog.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Oct. 2026, https://4ort.xyz/entity/prolog.
BibTeX @misc{4ortxyz_prolog_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Prolog}}, year = {2026}, url = {https://4ort.xyz/entity/prolog}, note = {Accessed: 2026-10-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Prolog — https://4ort.xyz/entity/prolog (retrieved 2026-10-03)

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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. 11h ago · عُثمان · 2026-10-03 view diff on Wikidata ↗
    Subclass of → declarative programming language
    Sitelink count → 69
    Wikipedia languages → ['abstract', 'an', 'ar', 'ast', 'az', 'bat_smg', 'be', 'bg', 'bn', 'ca', 'ckb',
    Equivalent class → https://www.webkb.org/doc/RDF/phOntology.rdfs#Prolog
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q1144882]]"
  2. 16w ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → 0207782-Prolog-programovaci-jazyk
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: 0207782-Prolog-programovaci-jazyk, [[:toollabs:quickstatements/#/batch/259493|batch #259493]]"
  3. 19w ago · Twofivesixbot bot · 2026-05-18 view diff on Wikidata ↗
    Programming paradigm → —
    Stack exchange tag → https://stackoverflow.com/tags/prolog
    Instance of → —
    Gran enciclopèdia catalana id → prolog
    + 67 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|4 */ [[Property:P2347]]: 18041, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.