Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
backed up with proof
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "backed up with proof" is correct and usable in written English.
You can use it when you want to indicate that a statement or claim is supported by evidence or verification. Example: "The scientist's theory was backed up with proof from multiple experiments that confirmed her findings."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(3)
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
2 human-written examples
The public will be invited to submit information, but this will have to be backed up with proof and verified.
News & Media
Theories have suggested this as a likely reason for cats to first "domesticate themselves", but they have never before been backed up with proof.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Only state facts you can back up with proof.
Wiki
This statement is backed up with the presented performance results.
Science
For example: if you're in an argument with someone about the debacle in Gaza, and they make all sorts of wild claims, ask them to back up those claims with proof and sources.
Wiki
This book explores the idea of parallel universes, the array of different forms they might take, the wigginess of their implications ("this would blow Newton's mind"), the wild extremes that can be extrapolated from such conjectures and the challenge of backing up theory with scientific proof.
News & Media
Meet back up with your crush.
Wiki
The aid groups adamantly deny that politics has influenced their distribution of food, and they say the government has yet to back up its accusations with any proof.
News & Media
Through its crowdsourced, online quizzes, candidates can measure their skills across a range of subjects, from engineering to music, see how they stack up against their peers and earn badges to back up their CVs with some proof.
News & Media
Back your suspicions up with proof and other witnesses.
Wiki
The United States has begun pressing the North to back up its newly conciliatory words with proof that it has abandoned its recent bellicose behavior.
News & Media
Expert writing Tips
Best practice
When making an assertion, ensure that you can readily provide credible sources or data to "back it up with proof". This strengthens your argument and enhances your credibility.
Common error
Avoid making sweeping generalizations or definitive statements without having adequate evidence to "back them up with proof". Overselling a point without substantiation can undermine your message and damage your reputation.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "backed up with proof" functions as a predicate adjective phrase. It describes a noun or noun phrase, indicating that it is supported by verifiable evidence. Ludwig AI confirms its usability in written English, and examples show it modifying theories, claims, and statements.
Frequent in
News & Media
34%
Wiki
33%
Science
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "backed up with proof" is a usable phrase indicating that a statement or claim is supported by evidence. Ludwig AI indicates that the phrase is correct and usable in written English. While grammatically sound and understandable across various registers, it's most commonly encountered in news, wiki and science contexts. When using the phrase, ensure that the proof is credible and directly relevant to the claim. Alternatives such as "supported by evidence" or "substantiated with evidence" can be used for variety. Remember to avoid making unsubstantiated claims and always strive to "back up" your assertions with solid evidence.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
supported by evidence
Focuses on the evidence as the primary form of support, shifting the emphasis from the act of backing up to the evidence itself.
substantiated with evidence
Emphasizes the act of proving the truth or validity of a claim through evidence, suggesting a more rigorous verification process.
corroborated with evidence
Highlights the confirmation of a claim or theory by multiple sources of evidence, implying a higher degree of reliability.
verified with proof
Stresses the act of confirming the accuracy or truth of something through proof, suggesting an official or authoritative validation.
validated by evidence
Indicates that the evidence confirms the claim, making it sound or reasonable and aligning with established standards or criteria.
confirmed with documentation
Specifically points to documentation as the means of confirming something, suitable when written records or formal documents are involved.
authenticated with data
Refers to the act of proving the genuineness of something with factual data, often used in technical or scientific contexts.
supported by factual data
Highlights that factual data are the means of endorsement.
underpinned by solid data
Implies that the evidence provides a strong foundation for the claim, offering stability and reliability.
bolstered by verification
Stresses that confirmation makes something stronger or more effective.
FAQs
How can I use "backed up with proof" in a sentence?
You can use "backed up with proof" to emphasize that a statement or claim is supported by evidence. For example, "The scientist's theory was "backed up with proof" from multiple experiments."
What can I say instead of "backed up with proof"?
Alternatives to "backed up with proof" include "supported by evidence", "substantiated with evidence", or "corroborated with evidence", depending on the context.
Is it redundant to say "backed up with evidence and proof"?
While "evidence" and "proof" are closely related, using both can add emphasis. However, in most contexts, "backed up with evidence" or ""backed up with proof"" alone is sufficient.
How does "backed up with proof" differ from "supported by data"?
"Backed up with proof" implies a broader range of evidence, including documentation or testimony, while "supported by data" specifically refers to numerical or statistical information.
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested