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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
further proof is required
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "further proof is required" is correct and usable in written English.
It can be used in contexts where additional evidence or verification is needed to support a claim or argument. Example: "In order to proceed with the investigation, further proof is required to substantiate the allegations made."
✓ Grammatically correct
News & Media
Science
Wiki
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
1 human-written examples
If further proof is required that the earthquake could be taken in stride, the city said that alternate-side parking rules would be in effect on Wednesday and through the rest of the week.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
"Donald J Trump" did precisely that in his now globally infamous "ban Muslims from America" remarks, and he has conclusively proved – if further proof were required – that he is a figure unsuited to the presidency of the United States.
News & Media
Further experimental proof is required to confirm its involvement in vancomycin synthesis.
Science
I don't think proof is required anymore.
News & Media
No proof is required, just reasonable cause for suspicion.
News & Media
For those who do believe, no proof is required.
News & Media
Social proof is required for a successful job search, today.
News & Media
However, experimental proof is required to confirm whether miR-499 requires drosha processing.
Science
Proof is required for each.
Wiki
Further proof is provided by Gidda.
News & Media
Further proof is in its trading.
News & Media
Expert writing Tips
Best practice
When using "further proof is required", ensure that you specify what kind of proof is needed and why the existing evidence is insufficient. This adds clarity and strengthens your argument.
Common error
Avoid using "further proof is required" in casual conversations or informal writing. Opt for simpler alternatives like "we need more evidence" to maintain a natural tone.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "further proof is required" functions as a statement indicating the necessity of additional evidence to support a claim or argument. Ludwig AI indicates that this phrase is correct and usable in written English. It commonly serves to express that the current evidence is insufficient.
Frequent in
News & Media
33%
Science
33%
Wiki
17%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "further proof is required" is a grammatically correct and frequently used expression indicating the need for more evidence. Ludwig AI confirms the validity of this phrase, and its usage spans across various contexts, including news, science, and general discussions. It's suitable for formal settings and serves to emphasize that existing evidence is insufficient. For less formal situations, consider using alternatives like "additional evidence is needed".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
additional evidence is needed
This alternative is more direct and less formal.
more evidence is necessary
This alternative emphasizes the necessity of the evidence.
further substantiation is needed
This is a more formal and academic alternative, focusing on the act of substantiating.
additional validation is necessary
This alternative focuses on the need for validation or confirmation.
more verification is required
This alternative is similar, but highlights the need for verification.
further confirmation is needed
This is a similar alternative that emphasizes the need for confirmation.
experimental validation is required
This is applicable in cases which need experimental proof.
further investigation is needed
This alternative shifts the focus to the need for investigation to gather more information.
more data is needed to support this claim
This alternative is more specific and highlights the need for data to support a claim.
proof is still lacking
This alternative is more concise and emphasizes the absence of sufficient proof.
FAQs
What does "further proof is required" mean?
The phrase "further proof is required" means that the existing evidence is not sufficient, and more evidence is needed to support a claim or argument.
When is it appropriate to use the phrase "further proof is required"?
It is appropriate to use "further proof is required" in formal writing, academic papers, or legal contexts where rigorous evidence is necessary. In more casual situations, consider simpler alternatives.
What can I say instead of "further proof is required"?
You can use alternatives like "additional evidence is needed", "more evidence is necessary", or "further substantiation is needed", depending on the context.
How does "further proof is required" differ from "more evidence is needed"?
"Further proof is required" is generally more formal than "more evidence is needed". The former is often used in situations demanding a higher level of rigor or formality, while the latter is suitable for broader use.
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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
4.5/5
Expert rating
Real-world application tested