Traditional philosophy, almost by definition, has concerned itself with the unsaid. The nearly exclusive focus on the said by twentieth-century analy… - Joseph Kosuth

Fundamental to this idea of art (conceptual art) is the understanding of the linguistic nature of all art propositions, be they past or present, and regardless of the elements used in their construction. (note: Without this understanding a 'conceptual' form of presentation is little more than a manufactured stylehood, and such art we have with increasing abundance.)

The 'value' of particular artists after Duchamp can be weighed according to how much they questioned the nature of art.

Art before the modern period is as much art as Neanderthal man is man'. It is for this reason that around the same time I replaced the term "work" for art proposition. Because a conceptual work of art in the traditional sense, is a contradiction in terms.