Permutation City, written by Greg Egan, is a science fiction novel that explores the concept of digital immortality and the nature of consciousness. The story takes place in a future where people can create digital copies of themselves, known as 'Copies,' and exist in virtual worlds. The protagonist, Paul Durham, seeks to create a perfect digital replica of himself, but soon faces existential questions about the nature of identity and the boundaries of what it means to be human. Permutation City is a thought-provoking exploration of transhumanist ideas and their implications.
