  A second sort of argument, less common today than in the heyday of a certain form of extreme Wittgensteinianism, urges that the concepts that make up the stuff of most definitions of art (expressiveness, form) are embedded in general philosophical theories which incorporate traditional metaphysics and epistemology. But since traditional metaphysics and epistemology are prime instances of language gone on conceptually confused holiday, definitions of art share in the conceptual confusions of traditional philosophy (Tilghman 1984).