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Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Jul 20, 2010 at 2:38 history edited Timothy Chow CC BY-SA 2.5
changed "aren't" back to "are"
Jul 17, 2010 at 12:34 comment added Charles Stewart Note that Friedman uses not simple consistency but the rather stronger notion of Sigma-1 soundness.
Jul 16, 2010 at 0:14 history edited Kevin O'Bryant CC BY-SA 2.5
changed "are" to "aren't"
Jul 16, 2010 at 0:07 history answered Timothy Chow CC BY-SA 2.5