Permutation City, written by Greg Egan, is a hard science fiction novel that delves into the concept of digital immortality. The story takes place in a future where people can upload their consciousness into a virtual reality known as the Autoverse. As the protagonist explores the possibilities of this new existence, he grapples with questions of identity, consciousness, and the nature of reality. Permutation City offers a philosophical exploration of transhumanism and the potential consequences of digital existence.
