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Nov 8, 2014 at 1:03 vote accept David Treumann
Nov 7, 2014 at 5:16 answer added Sasha timeline score: 8
Nov 7, 2014 at 0:16 answer added David E Speyer timeline score: 11
Nov 6, 2014 at 20:53 comment added Alex Degtyarev I don't know about functions (this should be an exercise), but, assuming the five lines skew, there must exist six other skew lines, each intersecting all five. The 27 lines in cubic surfaces is a very classical theory!
Nov 6, 2014 at 20:45 history asked David Treumann CC BY-SA 3.0