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Greg Egan: Permutation city (Paperback, 1995, Millennium)

The story of a man with a vision—immortality: for those who can afford it is …

Review of 'Permutation city' on 'Goodreads'

My favorite kind of scifi is large scale, sometimes absurd, thought experiments and I cannot believe how many ideas about consciousness are crammed into this short book. Recommended to people who liked the Black Mirror Christmas episode or, to a lesser extent, Dollhouse.