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I'm curious since I'm not a mathematician: What do you mean by "stuck for a couple of weeks"? I am trying to practice more advanced math and have stumbled over

• namibj 8mo ago
  Experience counter examples for why a specific definition is not going to work. Many times, at various levels of "not going to", usually hovering slightly above a syntactic level, but sometimes hovering on average above a plain definition semantic level, i.e. being mostly concerned with some indirect interaction aspects.
• oggy 8mo ago
  I'm not a mathematician either ;) Yeah, I won't sit around and ponder at a property definition for weeks. But I will maybe spend a day on it, not get anywhere, and then spend an hour or two a day thinking about ways to formulate it. Sometimes I try something, then an hour later figure out it won't work, but sometimes I really do just stare at the ceiling with no idea how to proceed. Helps if you have someone to talk to about it!