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I took three semesters of math in college and don't remember any of those symbols.
by marssaxman 10y ago
I took three semesters of math in college and don't remember any of those symbols.
- ajarmst 10y agoIf you took three semesters of post-secondary maths and never encountered "∈", you should ask for your money back.
- marssaxman 10y agoI don't know whether I encountered it. Perhaps I just forgot. Either way, it hasn't been a notation used in real life.