Proof of `Graph crawling is NP-complete`

groundedproofs/Lax117614Proofs/Bridge.lean · lax-117614

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 16 of this submission's paper

Description

Membership from the library's existential second-order definition of graph crawling; hardness from the library's ordered first-order reduction out of Set Cover, which is NP-hard by the catalog's statement for it. Both are transported to the concept's problem along the agreements.