Proof of `Sibling proof with the conclusion on the right` (2nd statement)
groundedproofs/Lax771644Proofs/SiblingConclusionRight.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.
Description
Statement 2 holds outright, by weakening the ladder.
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.