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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
demonstrably not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "demonstrably not" is correct and usable in written English.
It can be used to emphasize that something can be clearly shown or proven to be false or untrue. Example: "The evidence presented in the study is demonstrably not sufficient to support the claims made by the researchers."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
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
52 human-written examples
Demonstrably not true.
News & Media
That is demonstrably not the case here.
News & Media
This is demonstrably not the case.
News & Media
The same is demonstrably not true of Waters.
News & Media
Patients desperately need a louder voice in the system but Healthwatch is demonstrably not it.
News & Media
That is demonstrably not the case with regard to the Duchy of Cornwall".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
Boxing, no less than Las Vegas, excels at giving people what they demonstrably want, not what they say they want.
News & Media
The unanswered question is just how those funds were obtained in ways that "demonstrably do not derive from criminal acts".
News & Media
In a post-conviction statement released by the FBI, it is clear that Hashi has admitted to something that demonstrably cannot not be completely true.
News & Media
We are less democratic and less free than we were before Bush and Dick Cheney entered office following an election that they demonstrably did not win.
News & Media
The Swiss Federal Office of Justice said the funds were "acquired prior to Abacha's term in office" and "according to Nigerian authorities, demonstrably do not derive from criminal acts".
News & Media
Expert writing Tips
Best practice
When employing "demonstrably not", be prepared to provide the evidence or reasoning that supports your assertion. This enhances your credibility and strengthens your argument.
Common error
Avoid using "demonstrably not" in casual conversation or informal writing. It can sound overly formal or pretentious in settings where a more relaxed tone is appropriate.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "demonstrably not" functions as an adverbial phrase used to strongly negate a statement. It indicates that something can be clearly and undeniably proven false. Ludwig AI confirms its correct and usable nature in written English.
Frequent in
News & Media
68%
Science
26%
Wiki
2%
Less common in
Formal & Business
2%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "demonstrably not" is an adverbial phrase used to express a strong negation, indicating that something is clearly and undeniably false. As Ludwig AI confirms, it is grammatically correct and widely used, particularly in formal contexts such as news articles and scientific publications. It is crucial to use this phrase when you have clear evidence to support your claim and to avoid it in casual settings where it may sound overly formal. Alternatives like "clearly not" or "evidently not" may be more appropriate in informal settings. Remember to provide evidence when using this phrase to strengthen your argument and maintain credibility.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
clearly not
A more straightforward and less formal way to express disagreement or negation.
evidently not
Indicates that something is not true based on available evidence.
plainly not
Suggests that something is obviously not the case.
patently not
Emphasizes that something is clearly and undeniably false.
unquestionably not
Asserts that something is not true without any doubt.
certainly not
Expresses strong disagreement or negation.
indisputably not
Implies that something cannot be argued against or debated.
definitely not
A common and emphatic way to express negation.
assuredly not
Conveys a sense of certainty in negation.
categorically not
Denotes an unambiguous and absolute negation.
FAQs
How can I use "demonstrably not" in a sentence?
"Demonstrably not" is used to indicate that something is clearly and undeniably false. For example, "The claim that vaccines cause autism is "demonstrably not" true."
What are some alternatives to "demonstrably not"?
You can use alternatives such as "clearly not", "evidently not", or "plainly not", depending on the level of formality you want to convey.
Is it ever incorrect to use "demonstrably not"?
While grammatically correct, "demonstrably not" can sound overly formal in casual settings. It is best suited for academic, professional, or journalistic contexts where a strong, authoritative tone is desired.
What distinguishes "demonstrably not" from "not true"?
"Demonstrably not" implies that the statement in question can be proven false with evidence, whereas "not true" is a more general and less forceful negation.
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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
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested