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   Quincy (quincy@chaos.social)'s status on Wednesday, 25-Oct-2023 08:43:56 JST Quincy

   in reply to

   accidental short (and true) poem found in John Meier, "Groups, Graphs and Trees: an introduction to the geometry of infinite groups", Cambridge

   • Embed this notice
     Quincy (quincy@chaos.social)'s status on Wednesday, 25-Oct-2023 08:43:58 JST Quincy

     a group G is free
     if and only if it acts
     freely on a tree

     accidental #575

     洪 民憙 (Hong Minhee) repeated this.