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when toggle format what by license comment
May 31, 2018 at 13:08 comment added Saal Hardali I wrote down the octahedral axiom already but I have'nt been able to figure out what are essential conditions what's just redundant fluff. I expect a rather simple list of relations expressed in terms of cup products etc... if this can not be achieved i'd like to know why.
May 31, 2018 at 13:03 history answered Neil Strickland CC BY-SA 4.0