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Proof of `A very wide dock row with a wide assumption rail` (9th statement)

groundedproofs/Lax771644Proofs/WideDockRow.lean · lax-771644

What this proof establishes

no assumptions

Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.

Read the Lean proof on GitHub

Description

Statement 9 holds outright.

Proof strategy

One application of the ladder's weakening lemma.

Attribution

Synthetic: written for this benchmark. The mathematics is a one-line divisibility weakening; only the shape of the dependency edges is the point.