Permutation City is a 1994 science fiction novel by Greg Egan that explores many concepts, including quantum ontology, via various philosophical aspects of artificial life and simulated reality. Permutation City Greg Egan, 1994 the twenty-eighth book in the visitor recommendation series; suggested by Aris Katsaris. Summary : To calculate online the number of permutation of a set of n elements. Again Egan has written a fantastic story by grabbing an idea and taking it to the limit. Permutations. "target=_blank> A Madman's Diary, Egyptian Gift Shop Near Me, Happy Birthday To You Ji, Portrait Of Charles‑pierre Pecoul, Virtual Pro Wrestling 64 Translation,