During the study circle, they reflected on the themes of Proof and how its verses emphasize sincerity.

She proof-reads every chapter of the report before submission to ensure accuracy.

Before the final print run, the designer reviewed the page proof for typographical errors.

Before backfilling the trench, the contractor inspected the damp proofing to ensure the foundation would be protected from rising moisture.

She was proof-reading the report when the power went out.

Please proof-read the final draft one more time to ensure there are no typographical errors.

They claimed the engine was revolutionary, but the proof is in the pudding, so we scheduled a test drive.

The professor demonstrated a proof by contradiction to show that √2 is irrational.

The researchers evaluated the completeness of the proof system by demonstrating that every valid formula could be derived from its axioms and inference rules.

We replaced the old curtains with fire-proof drapes to reduce the risk of a blaze.