definition of art:uncontroversial aspects:(i) existence of entities: art forms- endowed by makers with significant aesthetic interest- surpasses "everyday objects"(ii) might exist in other possible worlds(iii) sometimes have non-aesthetic functionse.g. religious, ceremonial, propagandisticsometimes they do not.(iv) complicated history: new genres, new art forms, standards of taste evolve, understanding of aesthetic propertiesand even aesthetic experience!(v) institutions of art(vi) such institutions ascribe high degree aesthetic quality to those with apparently no aesthetic quality. e.g. "Voice of fire", "Erased de Kooning"(vii) many other things other than artworks are ascribed aestheticqualities. Hence associating art with aesthetics must not precludethings that are not made by man.e.g. natural entities, abstract entities (theories, proofs), human beings