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card paradox

a variant of the liar paradox constructed by Philip Jourdain
Thing paradox Q5038212
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card paradox

Summary

card paradox is a paradox[1]. It draws 18 Wikipedia views per month (paradox category, ranking #87 of 104).[2]

Key Facts

  • card paradox is credited with the discovery of Philip Jourdain[3].
  • card paradox's instance of is recorded as paradox[4].
  • postcard is named after card paradox[5].
  • card paradox's Freebase ID is recorded as /m/0bmcqhs[6].
  • card paradox's on focus list of Wikimedia project is recorded as WikiProject Postcards[7].
  • card paradox's Microsoft Academic ID is recorded as 2779326588[8].

Body

Works and Contributions

card paradox is credited with the discovery of Philip Jourdain[3].

Why It Matters

card paradox draws 18 Wikipedia views per month (paradox category, ranking #87 of 104).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[9] It is known by 7 alternative names across languages and contexts.[10]

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.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.
  3. [10] ↑ . 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). card paradox. Retrieved May 3, 2026, from https://4ort.xyz/entity/card-paradox
MLA “card paradox.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/card-paradox.
BibTeX @misc{4ortxyz_card-paradox_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{card paradox}}, year = {2026}, url = {https://4ort.xyz/entity/card-paradox}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): card paradox — https://4ort.xyz/entity/card-paradox (retrieved 2026-05-03)

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