The phrase "advance proof" is correct and usable in written English.
It can be used in contexts related to publishing or printing, referring to a preliminary version of a document or work that is provided for review before final publication.
Example: "The author received an advance proof of the book to review for any last-minute changes before it goes to print."
Alternatives: "preliminary proof" or "pre-publication proof".
Well, European countries are already banning technologies based on the precautionary principle requiring advance proof that they're risk-free.
The days between advance proof copies going out and feedback trickling in were among the scariest of my life.
If it succeeds, millions of working poor across the country may one day be required to provide advance proof of their eligibility before receiving the credit.
Such an error occurred in the reviewer's advance proof, but it does not appear in the finished book, which should have been checked during editing.
I've been lucky enough to read an advance proof of Ruth Scurr's John Aubrey: My Own Life, which takes the form of the diary Aubrey never wrote, using predominantly his own words.
Eventually some four million "high error" claimants -- a fifth of the 19 million who now claim the tax credit -- will be required to submit advance proof of their eligibility.
But then, perhaps I am simply jealous because, unlike Crace, I was not on the list of people who got exclusive advance proofs of Against the Day.
I brought the first advance bound proof of the book to him in his assisted-living facility, in Pennsylvania, as soon as it arrived.
"The fact that none of these asteroid impacts shown in the video was detected in advance is proof that the only thing preventing a catastrophe from a 'city-killer' sized asteroid is blind luck".
Over the next few years, he hopes to advance his proofs with another experiment.
Some are locked in legal battles with insurers who have been reluctant to pay claims or make advances without proof of the companies' assets.
