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ignoratio elenchi

American  
[ig-nuh-rey-shee-oh i-leng-kahy, -kee] / ˌɪg nəˈreɪ ʃiˌoʊ ɪˈlɛŋ kaɪ, -ki /

noun

Logic.
  1. the fallacy of offering proof irrelevant to the proposition in question.


ignoratio elenchi British  
/ ˌɪɡnəˈreɪʃɪəʊ ɪˈlɛŋkaɪ /

noun

  1. a purported refutation of a proposition that does not in fact prove it false but merely establishes a related but strictly irrelevant proposition

  2. the fallacy of arguing in this way

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ignoratio elenchi

1580–90; < Latin ignōrātiō elenchī literally, ignorance of the refutation; elenchus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

His whole paper is an ignoratio elenchi, and he doesn't touch a single one of my positions.

From Project Gutenberg

To prove this is an ignoratio elenchi; what the Sophist undertakes to prove is that Achilles will never overtake it, and he really proves that Achilles passes it between the 111th and 112th yards.

From Project Gutenberg

The ignoratio elenchi is in his own mind.

From Project Gutenberg

Mr. Mill had better be cautious in talking about ignoratio elenchi.

From Project Gutenberg

An ignoratio elenchi more flagrant—a mistaking of the question more palpable—it is surely not possible to conceive.

From Project Gutenberg