Proof of `Lower concentration of the fibers of a uniform random map` (2nd statement)
groundedproofs/Lax323828Proofs/RandomFibers.lean · lax-323828
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
Apply the independent bounded-variable tail bound to the negative centered indicator of membership in the fiber.