The philosophy holds that art sets the aesthetic principles by which people perceive life, and does not imitate life. What is found in life and nature is not what is really there, but is that which artists have taught people to find there, through art. As in an example posited by Wilde, although there has been fog in London for centuries, one notices the beauty and wonder of the fog because "poets and painters have taught the loveliness of such effects...They did not exist till Art had invented them.".[1]
McGrath places the antimimetic philosophy in a tradition of Irish writing, including Wilde and writers such as Synge and Joyce in a group that "elevate blarney (in the form of linguistic idealism) to aesthetic and philosophical distinction", noting that Terry Eagleton observes an even longer tradition that stretches "as far back in Irish thought as the ninth-century theology of John Scottus Eriugena" and "the fantastic hyperbole of the ancient sagas". Wilde's antimimetic idealism, specifically, McGrath describes to be part of the late nineteenth century debate between Romanticism and Realism.[1] Wilde's antimimetic philosophy has also had influence on later Irish writers, including Brian Friel.
Halliwell asserts that the notion that life imitates art derives from classical notions that can be traced as far back as the writings of Aristophanes of Byzantium, and does not negate mimesis but rather "displace[s] its purpose