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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
proof of need
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "proof of need" is correct and usable in written English.
It can be used in contexts where you are required to demonstrate or provide evidence that there is a necessity for something, such as funding or resources. Example: "To apply for the grant, you must submit proof of need to justify your request for financial assistance."
✓ Grammatically correct
News & Media
Academia
Wiki
Alternative expressions(5)
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
9 human-written examples
No proof of need or hardship is required.
News & Media
There are no criteria for patients; no proof of need is required.
News & Media
The food is free and no proof of need is required.
News & Media
The immigration minister, James Brokenshire, said the figures were proof of need to limit freedom of movement within the EU.
News & Media
In many cases, she added, students must apply for monetary awards, sometimes with proof of need, while others win on merit alone.
News & Media
The NFLPA demanded proof of need, but the NFL refused to share the full set of financial statements the association demanded.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
That might entice some car enthusiasts, but Generation Neutral may need more proof of the need to drive in order to shift to cars.
News & Media
I was familiar with the arguments of theologians — that somehow peoples' sorry existence was further proof of their need for me.
News & Media
Mr. McCain has portrayed the fight over the gambling ban as additional proof of the need to restrain the influence of money in politics.
News & Media
Reacting to the figures, the Immigration Minister, James Brokenshire, said they were proof of the need to limit freedom of movement within the EU.
News & Media
The trouble started when pet owners realized that they could game the system, because airlines did not require much proof of medical need.
News & Media
Expert writing Tips
Best practice
When writing formal requests or applications, clearly state your "proof of need" by providing specific data, statistics, or compelling narratives to support your claims.
Common error
Avoid relying solely on personal stories or isolated incidents as "proof of need". Supplement these with quantifiable data and credible sources to strengthen your argument.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "proof of need" functions as a noun phrase that typically acts as the subject or object of a sentence. It identifies the necessary evidence or justification for something. As Ludwig AI points out, the phrase is indeed usable in written English.
Frequent in
News & Media
41%
Academia
29%
Wiki
12%
Less common in
Science
9%
Formal & Business
9%
Reference
0%
Ludwig's WRAP-UP
The phrase "proof of need" is a grammatically sound noun phrase used to indicate that evidence is required to validate a claim or request. Ludwig AI confirms its usability in writing. Though relatively rare, it finds its place in news articles, academic papers, and formal requests, implying a persuasive purpose. To strengthen your arguments, avoid relying solely on anecdotal accounts and instead integrate verifiable data. Alternatives like "evidence of necessity" and "justification of requirement" can add nuance to your writing. When presenting "proof of need", ensure clarity, relevance, and credible sources to build a compelling case.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
evidence of necessity
Replaces "proof" with "evidence" and "need" with "necessity", emphasizing the essential nature of the requirement.
justification of requirement
Focuses on the act of justifying a specific requirement, rather than simply providing proof.
demonstration of requirement
Highlights the act of showing or illustrating the need, often through practical examples.
substantiation of claim
Implies providing evidence to support a specific assertion or request.
validation of necessity
Emphasizes confirming or verifying the essential nature of something.
rationale for requirement
Focuses on providing a logical explanation or reason for the need.
basis for demand
Suggests a foundational reason or justification for making a demand.
corroboration of urgency
Highlights the need to confirm or support the urgent nature of a requirement.
verification of request
Focuses on confirming the validity and legitimacy of a request.
documentation of imperative
Highlights providing official documents or records to demonstrate the imperative nature of something.
FAQs
How do I present "proof of need" in a grant proposal?
Clearly outline the problem you're addressing, provide statistical data to demonstrate the scope of the issue, and explain how your project directly alleviates this need. Ensure your budget aligns with the activities proposed to address the demonstrated need.
What kind of documentation can serve as "proof of need"?
Acceptable documentation varies depending on the context but may include statistical reports, needs assessments, expert opinions, case studies, letters of support, or financial statements.
What is the difference between "evidence of need" and "proof of need"?
While both terms are similar, "proof of need" often implies a higher standard of certainty or conclusiveness, while "evidence of need" may refer to a broader range of supporting information that suggests a requirement exists.
What can I say instead of "proof of need"?
You can use alternatives like "justification of requirement", "evidence of necessity", or "demonstration of requirement" depending on the context.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested