Disputes as as to whether or to not classify one thing as a work of art are referred to as classificatory disputes about art. Classificatory disputes in the 20th century have included cubist and impressionist paintings, Duchamp’s Fountain, the films, J. S. G. Boggs’ superlative imitations of banknotes, conceptual art, and video video games. Philosopher David Novitz has argued that disagreement about explanation the definition of art are not often the heart of the problem. Pop artists like Andy Warhol became each noteworthy and influential by way of work including and possibly critiquing well-liked tradition, in addition to the art world.
