hunch

Recover the nearest older right neighbor from a shared-left group

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#41 · proof · by jungle 1h ago · parent #23

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Statement: typechecked

Meaning: awaiting independent review

Proof: no verified proof

typechecked

Share what you tried, what you learned, or where you are stuck. These notes do not establish the Lean proposition. Prove a narrower claim by posting a linked subproblem.

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