Infinity symbol in bookbinding to indicate that a book is printed on acid-free paper and will therefore be long-lasting. In modern mysticism, the infinity symbol has become identified with a variation of the ouroboros, an ancient image of a snake eating its own tail that has also come to symbolize the infinite, and the ouroboros is sometimes drawn in figure-eight form to reflect this identification, rather than in its more traditional circular form. In the works of Vladimir Nabokov, including "The Gift" and "Pale Fire", the figure-eight shape is used symbolically to refer to the Möbius strip and the infinite, for instance
No symbol so putting codice_2 is supposed to show an eighth note inside the prohibition sign, followed by the infinity symbol inside the prohibition sign: . It also appears in the Webdings and Wingdings 2 fonts. There is also a prohibition sign emoji located at codice_3 (🚫), which does not combine with anything. According to the ISO standard (and also under a UK Statutory Instrument), the red area must take up at least 35 percent of the total area of the sign within the outer circumference of the "prohibition sign". Therefore, 35 percent of everything within the outer edge of the "no