Proof of `Length preservation through a typing of the states`
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.
In the paper
- page 67 of the paper of lax-157538, Transducers
Description
Length preservation through a typing (Claim B.4.4), of the source.
Attribution
Claim B.4.4 of Transducers; Lean proof by Aristotle ().