Translation guide
The English phrase "first proof" can refer to an initial draft or version of a document, a preliminary test or evidence, or a first printing proof in publishing. This guide covers natural Japanese expressions for each meaning.
Referring to the first draft of a document, manuscript, or plan.
Literally 'first draft', used for manuscripts, documents, or written works.
An initial test, trial, or piece of evidence that demonstrates something.
Literally 'first evidence', used in contexts like scientific findings or legal proof.
The first proof copy from a printer for review before final printing.
The first proof in the printing process, checked by authors or editors.
Do not translate 'first proof' word-for-word as 「最初の証明」 in all contexts. It can sound unnatural. Choose the term that matches the specific meaning: draft, evidence, or printing proof.
I submitted the first draft.
Means 'first draft', slightly more formal or technical than 初稿.
At the first draft stage, it's still rough.
Refers to the first edition of a published book, not a draft.
Only use for published editions, not working drafts.
The first edition of this book was published in 1950.
This is the first proof of that theory.
Means 'first proof' in the sense of a mathematical or logical demonstration.
He published the first proof of the theorem.
Used for a first trial or test run, not formal proof.
This is more about testing than proving; use only when 'proof' means a trial.
The first test revealed problems.
初校が届いたので確認してください。
The first proof has arrived, so please check it.
Specifically a galley proof of the first proof stage.
I marked corrections on the first galley proof.