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when toggle format what by license comment
Nov 15, 2020 at 23:59 comment added David Wood Good point. My example says nothing!
Nov 15, 2020 at 23:57 history edited David Wood CC BY-SA 4.0
added 18 characters in body
Nov 15, 2020 at 23:54 comment added Mikhail Tikhomirov Cycles $(x, v_i, w_i, y, v_j, w_j)$ have crossing chords $xw_i$ and $y v_i$.
Nov 15, 2020 at 23:44 history answered David Wood CC BY-SA 4.0