fallacy fallacy

fal·la·cy fal·la·cy
US, UK/ˌfæləsi ˈfæləsi/

noun

The formal fallacy of inferring that if an argument contains a fallacy, its conclusion must be false.

Similar
argument from fallacyargument to logicargumentum ad logicambad reasons fallacyfallacist's fallacy

Meanings

nounfallacy fallacy (plural fallacy fallacies)

plural fallacy fallacies

Synonyms & antonyms

nounThe formal fallacy of inferring that if an argument contains a fallacy, its conclusion must be false.

Similar
argument from fallacyargument to logicargumentum ad logicambad reasons fallacyfallacist's fallacy

Origin

From the fact that assuming a conclusion is false because of a fallacy in the reasoning is itself a fallacy.

Full word history & related roots →

Translations

Chinese Mandarin 謬誤謬誤 /谬误谬误
  • 謬誤謬誤 /谬误谬误 (miùwùmiùwù)formal fallacy of inferring that if an argument contains a fallacy, its conclusion must be false
Spanish argumento desde la falacia
  • argumento desde la falaciaformal fallacy of inferring that if an argument contains a fallacy, its conclusion must be false
Cite this entry
APA

fallacy fallacy. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/fallacy%20fallacy

MLA

“fallacy fallacy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fallacy%20fallacy. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “fallacy fallacy,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/fallacy%20fallacy.

Source: fallacy fallacy on Wiktionary, CC BY-SA 4.0.