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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
calls for proof
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "calls for proof" is correct and usable in written English.
It can be used when indicating that evidence or verification is required for a claim or statement. Example: "The scientist's theory is intriguing, but it calls for proof before it can be accepted by the community."
✓ Grammatically correct
News & Media
Science
Alternative expressions(19)
requires demonstration
calls for validation
needs to be demonstrated
needs to be determined
must be verified
needs to be checked
needs to be inspected
warrants investigation
needs to be discovered
needs to be examined
needs to be picked
is subject to review
needs to be chosen
needs to be explored
needs to be evaluated
needs to be verified
needs to be scrutinised
ask for validation
should be inspected
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
"This is not a government that has given to Western jurispudence, so these calls for proof are somewhat misplaced," the national security adviser, Condoleezza Rice, said on CNN's "Late Edition".
News & Media
Calls for "proof" of heritage overlook the oppressive histories people of color have with respect to documentation.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Several Nobel laureates, including one of the Wellcome Trust's most senior former employees, called for proof that holding stocks in fossil fuel companies was an effective strategy for reducing carbon emissions.
News & Media
Remember the irrational call for proof of Mr. Obama's citizenship?
News & Media
The extraordinary constant call for "proof" of qualifications to govern?
News & Media
After poliomyelitis was imported into Australia, Wilder-Smith and colleagues (1 ) call for proof of vaccination for travelers from polio-endemic countries.
Science
As antidote to curative misconception, some call for proof-of-concept HIV cure studies to be called 'experiments' to emphasis the risks and play down the possibility of individual benefit [ 25].
Science
But the Russians' extraordinary report is likely to provoke calls for more proof.
News & Media
It calls for solid proof and verification.
News & Media
The commission's terms of reference, in contrast, call only for proof that the crime concerned was politically motivated a definition which is itself contentious.
News & Media
Waleed, a mid level commander with the 'moderate' Hazzm group, said: " The Americans did many, many checks to make sure we were not [Isis], even checking our mobiles to see who we called, asking for proof that we had the weapons they gave us and we had not sold them.
News & Media
Expert writing Tips
Best practice
Use "calls for proof" when you want to emphasize the need for solid evidence, especially when challenging existing assumptions or claims.
Common error
While grammatically sound, "calls for proof" can sound overly formal in casual conversations. In informal settings, consider using alternatives like "needs evidence" or "requires backing".
Source & Trust
84%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "calls for proof" functions as a verb phrase that introduces a demand or request for evidence to support a claim or assertion. Ludwig AI confirms its usability, highlighting instances where it expresses the need for verification in various contexts.
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "calls for proof" is a grammatically correct and usable expression indicating the need for evidence or verification. While relatively rare, as indicated by Ludwig AI, it's primarily found in news, media and scientific contexts, carrying a neutral to professional tone. Alternatives such as "demands evidence" or "requires substantiation" offer similar meanings. When employing this phrase, it's best suited for formal settings and challenging unverified claims.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
asks for confirmation
A more direct way of requesting verification.
demands evidence
Emphasizes the necessity of evidence to support a claim.
requires demonstration
Emphasizes the need to show something clearly and convincingly.
requires substantiation
Highlights the need for solid backing or confirmation.
seeks verification
Focuses on the act of confirming the truth or accuracy.
requests validation
Indicates a formal appeal for something to be declared valid.
necessitates confirmation
Stresses the importance of having confirmation to proceed.
calls for justification
Highlights the need to explain or defend actions or decisions.
warrants proof
Suggests that proof is deserved or required due to circumstances.
insists on documentation
Focuses on the need for written or official records.
FAQs
How can I use "calls for proof" in a sentence?
You can use "calls for proof" to indicate that evidence or verification is required for a claim or statement. For example, "The scientist's theory is intriguing, but it calls for proof before it can be accepted by the community."
What are some alternatives to "calls for proof"?
You can use alternatives like "demands evidence", "requires substantiation", or "seeks verification" depending on the context.
Is "calls for proof" formal or informal?
The phrase "calls for proof" is generally considered more formal. In informal settings, you might prefer using simpler alternatives.
What does "calls for proof" mean?
It means that something requires evidence or verification to be considered valid or true. It indicates a need for solid backing before acceptance.
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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
4.2/5
Expert rating
Real-world application tested