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

Proof of `Machine-independent characterisation of rational functions`

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 machine-independent characterisation of rational functions (Theorem B.4.13), Transducers.isRationalFuniffTransducers.isRationalFun_iff of the source.

Attribution

Theorem B.4.13 of Transducers (Reutenauer and Schützenberger); Lean proof by Aristotle (PartB/RatIndex.leanPartB/RatIndex.lean, PartB/RatAnnot.leanPartB/RatAnnot.lean).