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Proof of `The complement of a homomorphism is rational`

groundedproofs/Lax132576Proofs/Results.lean · lax-132576

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

In the paper

Description

The complement of a homomorphism is rational (Claim B.1.7).

Attribution

Claim B.1.7 of Transducers; Lean proof by Aristotle (PartB/HomComplement.leanPartB/HomComplement.lean).