Lax Lean Archive

Proof of `FO(≤) ⊆ FO(DTC) ⊆ FO(TC)` (2nd statement)

groundedproofs/Lax485149Proofs/Bridge.lean · lax-485149

What this proof establishes

no assumptions

thm✓Lax485149.FirstOrderInTransitiveClosure (2nd statement)

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

The library's walk that takes no step, a first-order sentence its condition on starting nodes.