Proof of `NP-Hardness of [2,3]-Bounded 3-SAT`

groundedproofs/Lax345332Proofs/BFinal.lean · lax-345332

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.

Read the Lean proof on GitHub

In the paper

  • page 6 of this submission's paper

Description

Satisfiability is NP-hard by the Cook–Levin theorem; the reduction to (3,4)-SAT followed by the copy construction is correct and, as the composition of two polynomial-time computations, runs in polynomial time; polynomial-time many-one reductions compose.