Proof of `NP is a complexity class` (6th statement)

groundedproofs/Lax904597Proofs/Bridge.lean · lax-904597

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

A Σ1\Sigma_1 definition only speaks about finite structures.