Image of Joseph Kosuth’s “One and Three Chairs”, 1965. The artwork consists of a chair, a photograph of the chair, and the dictionary definition of ‘chair’.

“The art I call conceptual is such because it is based on an inquiry into the nature of art,” Kosuth has written. “Thus, it is … a working out, a thinking out, of all the implications of all aspects of the concept ‘art,’ … Fundamental to this idea of 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.” Chasing a chair through three different registers, Kosuth asks us to try to decipher the subliminal sentences in which we phrase our experience of art. (MoMA)