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Jan 7, 2018 at 2:32 answer added Pedro Lauridsen Ribeiro timeline score: 4
Jan 6, 2018 at 23:23 answer added Urs Schreiber timeline score: 5
Oct 6, 2014 at 14:25 answer added Igor Khavkine timeline score: 9
Oct 6, 2014 at 9:41 answer added Zurab Silagadze timeline score: 3
Oct 5, 2014 at 13:46 answer added Carlo Beenakker timeline score: 4
Oct 4, 2014 at 22:06 history edited Ricardo Andrade CC BY-SA 3.0
retagged question (@Jim, please stop creating new tags! Thank you.); corrected English
Oct 4, 2014 at 21:53 history asked Jim Stasheff CC BY-SA 3.0