I. (ˈ)nänˈsekwə̇d.ə(r), ˈnōn-, -sākwə̇ˌtu̇(ə)r noun
( plural non sequiturs )
Etymology: Latin, it does not follow
: an inference that does not follow from the premises ; specifically : a fallacy resulting from a simple conversion of a universal affirmative proposition or from the transposition of a condition and its consequent
II. noun
: a statement (as a response) that does not follow logically from or is not clearly related to anything previously said