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by 6gvONxR4sf7o 2461 days ago
That's not the suggestion. Proof verification is easy (for a proof written in a formal system). Proof search is hard. Many (most/all?) proof assistants heavily use heuristics to guide the proof search. Machine learning on a database of proofs could lead to superior heuristics and make proving stuff in the formal systems easier.

Proving stuff in these systems is still harder than natural language proofs, so making them easier could increase adoption, which would make mathematicians' results more robust/rigorous.