Clement Greenberg's 1960 posting "Modernist Painting" defines modern day art as "using attribute methods of a self-discipline to criticize the discipline by itself".[one hundred thirty five] Greenberg originally used this concept on the Summary Expressionist motion and utilized it as a method to understand and justify flat (non-illusionistic) abstract portray: https://conradn307uxy7.wikilowdown.com/user