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by ykonstant 549 days ago
I agree, although I don't see a better solution: typeclass inference is trying to "quasi-solve" higher unification, which is unsolvable. The core tactics writers are already doing wizard-level stuff and there is more to come, but the challenge is immense.

By the way, if you are a meta-programming wizard and/or a Prolog wizard, please consider learning Lean 4 or another tactics based proof assistant. I think they will all welcome expert assistance in the development of better tactics and the improvement and debugging of current ones.