A non sequitur (pronounced [ˌnɒnˈsɛkwɨtɚ]) is a conversational and literary device, often used for comical purposes (as opposed to its use in formal logic). Non sequitur ( Latin for "it does not follow" in formal logic is an argument where its conclusion does not follow from its premises It is a comment which, due to its lack of meaning relative to the comment it follows, is absurd to the point of being humorous or confusing. Its use can be deliberate or unintentional. Literally, it is Latin for "it does not follow". Latin ( lingua Latīna, laˈtiːna is an Italic language, historically spoken in Latium and Ancient Rome. In other literature, a non sequitur can denote an abrupt, illogical, unexpected or absurd turn of plot or dialogue not normally associated with or appropriate to that preceding it. Logic is the study of the principles of valid demonstration and Inference.
Non sequiturs often appear to be disconnected or random comments, or random changes in subject, especially socially inappropriate ones. When non sequiturs are used frequently for comic effect this can be called "absurd humor". Absurdism is a Philosophy stating that the efforts of humanity to find meaning in the Universe ultimately fail (and hence are absurd because no such
The non sequitur can be understood as the converse of cliché. A cliché (from French, klɪ'ʃe or cliche is a phrase expression or idea that has been overused to the point of losing its intended force Traditional comedy and drama can depend on the ritualization and predictability of human emotional experiences, where the Theatre of the Absurd uses disjunction and unpredictability. The Theatre of the Absurd ( French: Théâtre de l'Absurde) is a designation for particular plays written by a number of primarily European Playwrights