Draft — mutable and not usable as a dependency; its citation marks the draft state.

Proof of `Length preserving rational functions have length preserving automata`

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.

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In the paper

Description

Length preserving rational functions have length preserving automata (Lemma B.4.5), the free-group construction of the source (Transducers.lengthPreservingrationalnormalformTransducers.lengthPreserving_rational_normal_form).

Attribution

Lemma B.4.5 of Transducers; Lean proof by Aristotle (PartB/LenNormalForm.leanPartB/LenNormalForm.lean).