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Apr 13, 2017 at 12:19 history edited CommunityBot
replaced http://math.stackexchange.com/ with https://math.stackexchange.com/
Jul 26, 2014 at 7:29 vote accept Peter Smith
Jul 25, 2014 at 11:58 history edited Peter Smith CC BY-SA 3.0
edited body
Jul 25, 2014 at 11:58 comment added Peter Smith Oops that was a typo!
Jul 25, 2014 at 11:36 answer added Emil Jeřábek timeline score: 20
Jul 25, 2014 at 11:27 history edited Emil Jeřábek CC BY-SA 3.0
cross-link
Jul 25, 2014 at 11:23 comment added Emil Jeřábek Robinson arithmetic has $Sx\ne0$ in place of your axiom 1. Is this change intentional?
Jul 25, 2014 at 10:59 history asked Peter Smith CC BY-SA 3.0