Lax Lean Archive

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Proof of `A counterexample to Hadwiger's conjecture` (1st statement)

groundedproofs/Lax342547Proofs/Counterexample.lean · lax-342547

What this proof establishes

no assumptions

thm✓Lax342547.Counterexample (1st statement)

Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.

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Description

Theorem 1.1 supplies the graph. The proved matching-minor bound and chromatic lower bound then contradict Hadwiger's inequality.