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Yes. He has a system for assigning difficulty ratings to exercises. I don't have the books at hand, but the highest level were open research problems, potential
by Jtsummers 3y ago
Yes. He has a system for assigning difficulty ratings to exercises. I don't have the books at hand, but the highest level were open research problems, potentially suitable for PhD work and the like.
- m463 3y ago> He has a system for assigning difficulty ratings He's like a depth-first system guy... I suspect he only planned the 7 volumes because it was a requirement to start out wide.