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Aug 22, 2016 at 17:05 vote accept Yemon Choi
May 18, 2016 at 20:03 answer added Mikael de la Salle timeline score: 3
May 18, 2016 at 18:24 comment added Yemon Choi As an aside, I am aware that Helemskii has used the terminology "weakly cb" and "strongly cb" for these two cases, but I suspect that this is not commonly used.
May 18, 2016 at 18:16 history asked Yemon Choi CC BY-SA 3.0