Proof of `Lower concentration of the fibers of a uniform random map` (1st statement)
groundedproofs/Lax253009Proofs/RandomFibers.lean · lax-253009
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
Take the union bound over all possible labels of a fiber.