second-order logic

extension of first-order logic allowing quantification over functions and relations
Thing general Q1548746
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second-order logic

Summary

second-order logic ranks in the top 2% of general entities by monthly Wikipedia readership (242 views/month).[1]

Key Facts

  • second-order logic's image is recorded as Kindl-Treppe Aug2021d.jpg[2].
  • second-order logic's subclass of is recorded as higher-order logic[3].
  • second-order logic's Freebase ID is recorded as /m/01y3yt[4].
  • second-order logic's Encyclopædia Britannica Online ID is recorded as topic/second-order-predicate-calculus[5].
  • second-order logic's studied by is recorded as cybernetics[6].
  • second-order logic's studied by is recorded as philosophy[7].
  • second-order logic's studied by is recorded as mathematics[8].
  • second-order logic's studied by is recorded as logic[9].
  • second-order logic's PhilPapers topic is recorded as second-order-logic[10].
  • second-order logic's nLab ID is recorded as second-order logic[11].
  • second-order logic's Microsoft Academic ID is recorded as 144791301[12].
  • second-order logic's OpenAlex ID is recorded as C144791301[13].
  • second-order logic's ScienceDirect topic ID is recorded as computer-science/second-order-logic[14].

Why It Matters

second-order logic ranks in the top 2% of general entities by monthly Wikipedia readership (242 views/month).[1] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[15] It is known by 9 alternative names across languages and contexts.[16]

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] . Freebase Data Dumps. wikidata.org.
  4. [5] . wikidata.org.
  5. [6] . wikidata.org.
  6. [7] . wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  13. [14] . wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] . Wikidata sitelinks. wikidata.org.
  3. [16] . 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). second-order logic. Retrieved April 10, 2026, from https://4ort.xyz/entity/second-order-logic
MLA “second-order logic.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/second-order-logic.
BibTeX @misc{4ortxyz_second-order-logic_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{second-order logic}}, year = {2026}, url = {https://4ort.xyz/entity/second-order-logic}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): second-order logic — https://4ort.xyz/entity/second-order-logic (retrieved 2026-04-10)

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