Proof of `Invariance and characterization of containment` (2nd statement)
groundedproofs/Lax420092Proofs/Bridge.lean · lax-420092
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 invariance theorem for containment, through the Chandra–Merlin theorem.