Proof of `Feedback Vertex Set and Feedback Arc Set` (3rd statement)
groundedproofs/Lax799700Proofs/Bridge/Feedback.lean · lax-799700
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 problem given by an invariant property holds exactly where the property does.