extraordinary claims require extraordinary evidence

statement about the burden of proof made by various writers throughout history and famously cited by Carl Sagan on the television programme Cosmos
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extraordinary claims require extraordinary evidence

Summary

extraordinary claims require extraordinary evidence is a heuristic[1]. It draws 262 Wikipedia views per month (heuristic category, ranking #4 of 8).[2]

Key Facts

  • extraordinary claims require extraordinary evidence's instance of is recorded as heuristic[3].
  • Carl Sagan is named after extraordinary claims require extraordinary evidence[4].
  • +1980-00-00T00:00:00Z marks the founding of extraordinary claims require extraordinary evidence[5].
  • extraordinary claims require extraordinary evidence's main subject is recorded as burden of proof[6].
  • extraordinary claims require extraordinary evidence's spoken text audio is recorded as En-Sagan standard-article.ogg[7].
  • extraordinary claims require extraordinary evidence's facet of is recorded as scientific skepticism[8].
  • extraordinary claims require extraordinary evidence's facet of is recorded as epistemology[9].
  • extraordinary claims require extraordinary evidence's different from is recorded as Occam's razor[10].
  • extraordinary claims require extraordinary evidence's Google Knowledge Graph ID is recorded as /g/11csp8nsdg[11].
  • extraordinary claims require extraordinary evidence's RationalWiki ID is recorded as Extraordinary_claims_require_extraordinary_evidence[12].

Body

Designation and Status

extraordinary claims require extraordinary evidence's instance of is recorded as heuristic[3].

History and Context

+1980-00-00T00:00:00Z marks the founding of extraordinary claims require extraordinary evidence[5]. Carl Sagan is named after it[4].

Why It Matters

extraordinary claims require extraordinary evidence draws 262 Wikipedia views per month (heuristic category, ranking #4 of 8).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[13] It is known by 4 alternative names across languages and contexts.[14]

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.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] . Wikidata sitelinks. wikidata.org.
  3. [14] . 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). extraordinary claims require extraordinary evidence. Retrieved May 3, 2026, from https://4ort.xyz/entity/extraordinary-claims-require-extraordinary-evidence
MLA “extraordinary claims require extraordinary evidence.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/extraordinary-claims-require-extraordinary-evidence.
BibTeX @misc{4ortxyz_extraordinary-claims-require-extraordinary-evidence_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{extraordinary claims require extraordinary evidence}}, year = {2026}, url = {https://4ort.xyz/entity/extraordinary-claims-require-extraordinary-evidence}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): extraordinary claims require extraordinary evidence — https://4ort.xyz/entity/extraordinary-claims-require-extraordinary-evidence (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/extraordinary-claims-require-extraordinary-evidence · Last refreshed: