Proof of `Independent Set without a 5×5 induced grid minor`
groundedproofs/Lax762056Proofs/IndependentSetHardness.lean · lax-762056
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.
In the paper
- page 3 of this submission's paper
Description
Compose the reduction from Max Cut with the graph construction. Exclusion of the induced grid minor gives the target class. The independence-number identity gives equivalence after shifting the threshold.