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

Proof of `Machine-independent characterisation of sequential 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 characterisation of sequential functions (Theorem B.4.6), Transducers.isSequentialiffTransducers.isSequential_iff of the source through isSequentialiffisSequential_iff of the bridge.

Attribution

Theorem B.4.6 of Transducers (Ginsburg and Rose); Lean proof by Aristotle (PartB/SeqChar.leanPartB/SeqChar.lean).