There must be social recognition and validation but by whom and in what numbers? The fart performance will soon be forgotten and no one will in all likelihood do it again. If they did it would be ignored. This is what I meant by art must be reproducable and still retain some if not most of its original meaning. If I paint portraits in a style reminiscent of Klimt, and it is done skillfully, it would most likely be considered art by the person who bought it and by most who viewed it. Certainly it would be derivative and not change peoples perceptions of art nor would it influence others after me but it would still be art.
Art cannot be simply every pretty picture or any performance some engages in. I'm not a scholar nor am I a writer so explaining what makes something art and something else not art is probably not something I am fully equiped to do. That doesn't mean art is anything I care to label as such however.
John Thornton