1. Modern art can be modern art if and only if ...

Modern art includes artistic work produced during the period extending roughly from the 1860s to the 1970s, and denotes the styles and philosophy of the art produced during that era. The term is usually associated with art in which the traditions of the past have been thrown aside in a spirit of experimentation.

Examples include ...

include Neo-Impressionism, Symbolism, Fauvism, Cubism, Futurism, Expressionism, Suprematism, Constructivism, Metaphysical painting, De Stijl, Dada, Surrealism, Social Realism, Abstract Expressionism, Pop art, Op art, Minimalism, and Neo-Expressionism.