ignoratio elenchi

noun ig·no·ra·tio elen·chi \ˌig-nə-ˈrä-tē-ˌō-i-ˈleŋ-ˌkē\

Definition of ignoratio elenchi

  1. :  a fallacy in logic of supposing a point proved or disproved by an argument proving or disproving something not at issue

Origin and Etymology of ignoratio elenchi

Latin, literally, ignorance of proof

First Known Use: 1588

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