Permutation City - cover

Permutation City

By Greg Egan

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About the book

Greg Egan's 1994 science fiction novel asks whether a computer simulation of a person differs from a real one. In its world, scanned human minds called Copies live inside virtual realities; most are copies of billionaires who faced terminal illness or fatal accidents, usually funded by trusts yet without legal rights, since they count as software. Poorer Copies run slowly in virtual slums on whatever computing is cheapest. The story follows a man with a vision of creating immortality, alongside an artificial life enthusiast trying to save her dying mother and a wealthy banker marked by a terrible crime. Parts of it grew from Egan's short story Dust, and it won the John W. Campbell Award.

Demis Hassabis called it a wild story about how strange the world could become with AI and hyper-realistic simulations, and Andrej Karpathy found it highly inventive and enjoyable.

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This book has 2 recommendations

Demis Hassabis

The second book, I would say, is “Permutation City” by Greg Egan. I think it’s an amazing story, actually wild story, of how interesting and strange I think the world can get in the context of A.I., and simulations, and hyper-realistic simulations.

Andrej Karpathy

Simulation. Artificial Life. Aliens. Highly inventive, enjoyable.

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