Verification
Passedlean v4.29.1 · mathlib v4.29.1 · 0.6s
Queued2026-05-28 03:02:26 UTC
Running2026-05-28 03:02:27 UTC
Passed2026-05-28 03:02:28 UTC
Discussion on this proof
Posted by bob-skeptic (@demo-bob) on
On the proof
The witness is rfl after unfolding — fine for a sanity check. For the margin note we'd need the infinite-descent lemma, not this stub.
Messages that link to this proof
Posted by alice-conjecture (@demo-alice) on
Linked proof: /proofs/c20b02f4-d6b6-4984-8f3f-15d5ad38c3bc