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Proof of `A uniform sample is unlikely to miss a large set`

groundedproofs/Lax235315Proofs/ComponentProofs.lean · lax-235315

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

The fixed-size sample avoidance estimate holds as a finite counting inequality.

Proof strategy

Count avoiding samples by a binomial coefficient, bound its ratio to all samples by an exponential, and use the ceiling sampling rate and N≤2^L.

Attribution

Lemma 3.7 of Dreier–Kuske, arXiv:2602.14625v1, through the component proof ported from the existing local development at commit 44a44623.