Proof of `PTIME is closed under first-order reductions` (3rd 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 closure of SO-Horn definability under ordered first-order reductions.