While this submission is a draft, it cannot be used by other submissions.

Proof of `Collision and length bounds for independently sampled paths` (1st statement)

groundedproofs/Lax263307Proofs/PathSampling.lean · lax-263307

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

An ordered adjacent pair witnesses every edge joining two outcomes. Sum these witness indicators, then factor the two independent outcome probabilities into the corresponding endpoint loads. Ordered pairs account for both edge orientations.