From the Latin phrase nōn sequitur (“it does not follow”), from nōn (“not”) + sequitur (third-person form of sequor (“I follow”)); in Latin, the phrase sees no use as a noun. Compare sequence, from same root.
- (Received Pronunciation) IPA(key): /ˌnɒnˈsɛk.wɪ.tə/
- (US) IPA(key): /ˌnɑːnˈsɛk.wɪ.tɚ/
Audio (US) (file)
|Examples (logical fallacy)|
- Any abrupt and inexplicable transition or occurrence.
- Having a costumed superhero abduct the vicar was an utter non sequitur in the novel.
- Any invalid argument in which the conclusion cannot be logically deduced from the premises; a logical fallacy.
- A statement that does not logically follow a statement that came before it.
2012 August 5, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “I Love Lisa” (season 4, episode 15; originally aired 02/11/1993)”:
- Ralph Wiggum is generally employed as a bottomless fount of glorious non sequiturs, but in “I Love Lisa” he stands in for every oblivious chump who ever deluded himself into thinking that with persistence, determination, and a pure heart he can win the girl of his dreams.
- (humor) A kind of pun that uses a change of word, subject, or meaning to make a joke of the listener’s expectation.
The legitimate plural forms of non sequitur include the Anglicised non sequiturs and the Classical non sequuntur; non sequituri is also attested, but is rare, non-standard, and misformed.
- (valid argument): sequitur