ignoratio elenchi

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

noun Logic.

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

Origin of ignoratio elenchi

1580–90; < Latin ignōrātiō elenchī literally, ignorance of the refutation; see elenchus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for ignoratio elenchi

ignoratio elenchi

/ (ˌɪɡnəˈreɪʃɪəʊ ɪˈlɛŋkaɪ) /

noun logic

a purported refutation of a proposition that does not in fact prove it false but merely establishes a related but strictly irrelevant proposition
the fallacy of arguing in this way

Word Origin for ignoratio elenchi

Latin: an ignorance of proof, translating Greek elenchou agnoia
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