Permutation

Obversion (otherwise called Permutation or Æquipollence) is

Logic Deductive and Inductive Carveth Read 1889

In town, the last subject in the book was "Permutation," to which you gave the mere look its essentially frivolous nature deserved.

Back Home Eugene Wood 1891

This idea is used again to great effect on a track in his subsequent "Permutation" album.

Epinions Recent Content for Home 2009

Eventually, we may know the sort of virtual worlds illustrated in science-fiction novels like Greg Egan's "Permutation City."

Let's Hope the Robots Are Nice Glenn Harlan Reynolds 2011

Greg Egan's Permutation City is probably a cousin.

MIND MELD: What are the Best Examples of SF/F Worldbuilding? 2008

Yeah reading the article the first thing that came to mind was Permutation city ...

Life As A Video Game? 2007

If you like the new album, check out “Supermodified”, “Permutation”, and others.

Foley Room 2007

Permutation City also started life as a short story, that title of the original story was "Reality Dust".

Life As A Video Game? 2007

I've finished one book, Permutation City, and am about a quarter of the way through Phoenix Exultant.

New Year's Resolution 2004

Every Permutation of the latter can result in a very different number.

Curious - Australia & New Zeal vs. Mexico Retire living 2003