Magic, aka Biagio Fasano (available at www.
This is demonstrated by this work by B.
This is to explain how we often have an erroneous view of mathematics combined with magic because it is much more ductile and fascinating than one might suppose.
I don’t want to go into the explanation of the ebook because I would take away the reader’s surprise, but I strongly recommend it not only to the fans of mathematical magic, but also, as I said before, for its possibility to be easily carried out online.