logic

study of correct reasoning
Thing class_used_in_universal_decimal_classification Q8078
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logic

Summary

logic is a class used in Universal Decimal Classification[1]. logic draws 8,484 Wikipedia views per month (class_used_in_universal_decimal_classification category, ranking #1 of 2).[2]

Key Facts

  • logic's instance of is recorded as class used in Universal Decimal Classification[3].
  • logic's instance of is recorded as formal science[4].
  • logic's instance of is recorded as branch of philosophy[5].
  • logic's instance of is recorded as core branches of philosophy[6].
  • logic is a type of scientific study[7].
  • logic is part of mathematics[8].
  • logic is part of philosophy[9].
  • logic's Commons category is recorded as Logic[10].
  • logic comprises classical logic[11].
  • logic comprises fuzzy logic[12].
  • logic comprises quantum logic[13].
  • logic comprises propositional calculus[14].
  • logic comprises predicate logic[15].
  • logic comprises modal logic[16].
  • logic comprises inductive reasoning[17].
  • logic comprises deductive reasoning[18].
  • logic comprises causality[19].
  • logic's topic's main category is recorded as Category:Logic[20].
  • logic's topic's main Wikimedia portal is recorded as Portal:Logic[21].
  • logic's described by source is recorded as Otto's encyclopedia[22].
  • logic's described by source is recorded as Lean Logic[23].
  • logic's described by source is recorded as The Nuttall Encyclopædia[24].
  • logic's described by source is recorded as Jewish Encyclopedia of Brockhaus and Efron[25].
  • logic's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[26].
  • logic's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary[27].

Body

Definition and Type

Recorded instance of include class used in Universal Decimal Classification[3], formal science[4], branch of philosophy[5], and core branches of philosophy[6]. logic is a type of scientific study[7].

Use and Application

Components include classical logic[11]; fuzzy logic[12]; quantum logic[13]; propositional calculus[14]; predicate logic[15], a mathematical theory[28]; and modal logic[16], a mathematical theory[29]. Part of include mathematics[8], an academic discipline[30] and philosophy[9], an academic discipline[31].

Why It Matters

logic draws 8,484 Wikipedia views per month (class_used_in_universal_decimal_classification category, ranking #1 of 2).[2] logic has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[32] logic is known by 26 alternative names across languages and contexts.[33]

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.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inline context (facts about related entities)

  1. [30] . Wikidata. wikidata.org. → on this site
  2. [31] . Wikidata. wikidata.org. → on this site
  3. [28] . Wikidata. wikidata.org. → on this site
  4. [29] . 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. [32] . Wikidata sitelinks. wikidata.org.
  3. [33] . 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). logic. Retrieved May 3, 2026, from https://4ort.xyz/entity/logic-q8078
MLA “logic.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/logic-q8078.
BibTeX @misc{4ortxyz_logic-q8078_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{logic}}, year = {2026}, url = {https://4ort.xyz/entity/logic-q8078}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): logic — https://4ort.xyz/entity/logic-q8078 (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. 2d ago · Twofivesixbot bot · 2026-05-20 view diff on Wikidata ↗
    On focus list of wikimedia project Wikipedia:List of articles all languages should have, Wikipedia:Vital articles/Level/4
    Subclass of scientific study
    Instance of class used in Universal Decimal Classification, formal science, branch of philosophy +1
    Part of mathematics, philosophy
    + 17 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|7 */ [[Property:P2347]]: 456, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.