“Possibilities are only copies of actual things which are retroactively given a priproty they do not have. They are infertile copies and resemble the actual thing perfectly. By contrast, the virtual is the productive pole of the process that goes from the virtual to the actual; it is not determined by resemblance with the actual thing. Bodies implicate the virtual and when they are separated from it, they retain 'only the disincarnated appearance of a pure actuality (representation)”