Cantor's diagonal argument

proof technique in set theory
Intangible theorem Q729471
Press Enter · cited answer in seconds

Cantor's diagonal argument

Summary

Cantor's diagonal argument is a theorem[1]. It ranks in the top 3% of theorem entities by monthly Wikipedia readership (2,747 views/month).[2]

Key Facts

  • Cantor's diagonal argument's instance of is recorded as theorem[3].
  • Georg Cantor is named after Cantor's diagonal argument[4].
  • Cantor's diagonal argument is a type of mathematical proof[5].
  • Cantor's diagonal argument is used for Gödel's incompleteness theorems[6].
  • Cantor's diagonal argument is used for Entscheidungsproblem[7].
  • Cantor's diagonal argument's described by source is recorded as Q140169500[8].
  • Cantor's diagonal argument's maintained by WikiProject is recorded as WikiProject Mathematics[9].

Body

Definition and Type

Cantor's diagonal argument's instance of is recorded as theorem[3]. It is a type of mathematical proof[5].

Origins

Georg Cantor is named after Cantor's diagonal argument[4].

Use and Application

Recorded has use include Gödel's incompleteness theorems[6] and Entscheidungsproblem[7].

Why It Matters

Cantor's diagonal argument ranks in the top 3% of theorem entities by monthly Wikipedia readership (2,747 views/month).[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[10] It is known by 53 alternative names across languages and contexts.[11]

📑 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). Cantor's diagonal argument. Retrieved May 3, 2026, from https://4ort.xyz/entity/cantor-s-diagonal-argument
MLA “Cantor's diagonal argument.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cantor-s-diagonal-argument.
BibTeX @misc{4ortxyz_cantor-s-diagonal-argument_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cantor's diagonal argument}}, year = {2026}, url = {https://4ort.xyz/entity/cantor-s-diagonal-argument}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cantor's diagonal argument — https://4ort.xyz/entity/cantor-s-diagonal-argument (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/cantor-s-diagonal-argument · 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. 6d ago · AddyLockPool · 2026-09-14 view diff on Wikidata ↗
    Maintained by wikiproject WikiProject Mathematics
    Named after Georg Cantor
    Instance of theorem
    Has use Gödel's incompleteness theorems, Entscheidungsproblem
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P1343]]: [[Q140169500]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.