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

Proof of `Correctness of recursive reachability`

groundedproofs/Lax307052Proofs/Reachability.lean · lax-307052

What this proof establishes

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

Description

Induction on the recursion depth, using the midpoint decomposition.