Proof of `SO-Horn = FO(LFP)` (2nd statement)
groundedproofs/Lax535992Proofs/Bridge.lean · lax-535992
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.
Description
The library's reading of a Horn program as a rule system with an output sentence.