Proof of `Two sibling proofs forming a chain` (2nd statement)
groundedproofs/Lax771644Proofs/SiblingChain.lean · lax-771644
What this proof establishes
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 follows from statement 1.
Proof strategy
Apply statement 1, then weaken one further rung.
Attribution
Synthetic: written for this benchmark. The mathematics is a one-line divisibility weakening; only the shape of the dependency edges is the point.