Proof of `Independent majority repetition reduces bounded error` (2nd statement)
groundedproofs/Lax253009Proofs/MajorityAmplification.lean · lax-253009
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.
Description
The cubic error transformation is increasing on [0,1]. Exact rational bounds for the three stages are 7/27, 17/100, and 1/12.