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when toggle format what by license comment
Sep 13, 2021 at 2:28 comment added Licheng Zhang @bof I see, my counterexample is not correct. (* ̄︶ ̄).
Sep 13, 2021 at 2:24 comment added bof Is $n\ge2k+2$ in yhour counterexample?
Sep 13, 2021 at 2:08 history asked Licheng Zhang CC BY-SA 4.0