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https://mathworld.wolfram.com/Tree.html https://mathworld.wolfram.com/Tree.html https://www.math.ru.nl/OpenGraphProblems/TimV/notationsanddefinitions.html http

• phaemon 6y ago
  Thank you, but I know what a tree is. I believe they were specifically referring to https://treenotation.org/ https://treenotation.org/ That's the thing I hadn't heard of and would be interested to hear if someone had tried applying it in real world scenarios.