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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
proof was
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "proof was" is correct and usable in written English.
It can be used in contexts where you are discussing evidence or verification of something that has occurred in the past. Example: "The proof was clear in the results of the experiment, demonstrating the hypothesis was correct."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Proof was not needed.
News & Media
The proof was forthcoming.
News & Media
That proof was not supplied.
News & Media
His proof was from Hegel.
News & Media
The proof was 98 stitches.
News & Media
More worrying proof was available.
News & Media
The proof was in the first set.
News & Media
By these standards, Perelman's proof was unorthodox.
News & Media
The proof was in the ducks.
News & Media
However, no such proof was provided.
News & Media
The proof was in her semifinal victory.
News & Media
Expert writing Tips
Best practice
When using "proof was", ensure the sentence clearly indicates what the proof pertained to, avoiding ambiguity. For example, specify "The proof was in the pudding" rather than simply "The proof was".
Common error
Avoid using "proof was" without explicitly stating what the "proof" refers to. Vague references can confuse the reader. Instead of "Proof was evident", specify "The proof of his innocence was evident".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "proof was" functions as a declaration of the existence of evidence or verification at a specific time. The phrase introduces the idea that something had been substantiated. According to Ludwig AI, the phrase is considered grammatically correct.
Frequent in
News & Media
62%
Science
20%
Encyclopedias
7%
Less common in
Wiki
4%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "proof was" serves to confirm the past existence of evidence or verification. Ludwig AI confirms that it is grammatically correct and commonly found in various contexts. While versatile, the phrase is most frequently encountered in news and media sources. For more formal settings, consider alternatives like "evidence existed" or "verification occurred". Ensuring clarity by specifying what the "proof" refers to prevents ambiguity and strengthens the impact of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
evidence existed
Replaces "proof" with "evidence" and uses a different verb.
it was proven
Changes the sentence structure to a passive voice.
confirmation emerged
Shifts the focus to the confirmation itself becoming apparent.
verification occurred
Uses a more formal term, "verification", to indicate confirmation.
it stood confirmed
Implies a state of being confirmed or validated.
demonstration existed
Emphasizes the act of demonstrating rather than the result.
validation materialized
Focuses on the validation process becoming realized.
substantiation was present
Replaces "proof" with the more formal "substantiation".
the facts demonstrated
Emphasizes facts as proof.
the case was made
Indicates that a convincing argument or justification was presented.
FAQs
How can I use "proof was" in a sentence?
Use "proof was" to indicate that evidence or verification existed to support a claim or statement. For instance, "The proof was in the data, which clearly showed a correlation".
What's a more formal alternative to "proof was"?
A more formal alternative could be "evidence existed" or "verification occurred". These options lend a more serious and objective tone, suitable for academic or professional writing.
What does it mean when someone says "the proof was in the pudding"?
The idiom "the proof was in the pudding" means that the real value or quality of something can only be judged when it's put to its intended use or tested. It suggests that "results matter" more than promises or plans.
Is "proof was sufficient" different than "the proof was sufficient"?
Yes, there is a slight difference. "Proof was sufficient" implies that, in general, proof existed and it met the required threshold. "The proof was sufficient" suggests that a specific, previously mentioned proof met the threshold.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested