The proof reader carefully checked the manuscript for typos and inconsistencies before publication.

Please store the documents in an air-proof container to protect them from moisture.

Concluding that extraterrestrial life does not exist simply because there is no definitive evidence is a negative proof and a logical fallacy.

Claiming that all swans are white based on one sighting is a classic proof by example.

We installed a squirrel-proof feeder to keep the backyard birds safe.

The museum displayed an India proof alongside the artist's original plates.

The archival researcher discovered several India proofs tucked inside the old ledger.

He made a conscience-proof decision to close the factory, believing it was best for the company's survival.

The antique rifles were sent to the proof house before being sold at auction.

The antique collector visited several proof houses to verify the origin stamps on the barrels.