The phrase "art introduced" means the presentation or unveiling of a new form of artistic expression. Some possible antonyms for this phrase might include "art removed," "art banned," or "art discontinued." These antonyms would suggest a scenario in which a particular work of art, or a particular style of art, is being forcibly taken away or eliminated altogether. Another antonym might be "art neglected," which would suggest a situation in which no one is paying attention to a particular form of art or artist, and the work is not receiving the recognition or appreciation it deserves.