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Guarded Command Language

formal language for predicate transformer semantics introduced by by Edsger Dijkstra
Thing formal_language Q2442390
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Guarded Command Language

Summary

Guarded Command Language is a formal language[1]. It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Guarded Command Language is the creator of Edsger W. Dijkstra[3].
  • Guarded Command Language's instance of is recorded as formal language[4].
  • Guarded Command Language is used for predicate transformer semantics[5].
  • 1975 marks the founding of Guarded Command Language[6].
  • Guarded Command Language's described at URL is recorded as http://www.cs.utexas.edu/users/EWD/ewd04xx/EWD472.PDF[7].

Body

Definition and Type

Guarded Command Language's instance of is recorded as formal language[4].

Origins

1975 marks the founding of Guarded Command Language[6].

Use and Application

Guarded Command Language is used for predicate transformer semantics[5].

Why It Matters

Guarded Command Language has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

Related Entities

Edsger W. Dijkstra

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. 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). Guarded Command Language. Retrieved May 3, 2026, from https://4ort.xyz/entity/guarded-command-language
MLA “Guarded Command Language.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/guarded-command-language.
BibTeX @misc{4ortxyz_guarded-command-language_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Guarded Command Language}}, year = {2026}, url = {https://4ort.xyz/entity/guarded-command-language}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Guarded Command Language — https://4ort.xyz/entity/guarded-command-language (retrieved 2026-05-03)

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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. 25d ago · HelloImSteven · 2026-06-10 view diff on Wikidata ↗
    Foldoc id → Dijkstra
    Instance of → formal language
    Instance of → —
    Creator → —
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P12946]]: Dijkstra, import FOLDOC ID ([[:toollabs:editgroups/b/wikibase-cli/9aef88c707e54/|details]])"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.