Proof of `Probabilistic query evaluation through provenance`
groundedproofs/Lax392996Proofs/Bridge.lean · lax-392996
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.
In the paper
- page 18 of this submission's paper
Description
The library's theorem: the random world of the annotated answer is the answer on the random world, by induction on the query, and the disjunctive annotation of a tuple holds at a valuation exactly when the tuple belongs to that random world.