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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
duly demonstrated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "duly demonstrated" is correct and usable in written English.
It can be used to indicate that something has been shown or proven in a proper or appropriate manner. Example: "The results of the experiment were duly demonstrated in the final report, confirming the initial hypothesis."
✓ Grammatically correct
Science
News & Media
Alternative expressions(4)
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
This translated to a difference of –1.1%9595% CI: –4.6, 2.5), with non-inferiority of fluticasone/formoterol to fluticasone/salmeterol duly demonstrated for the PP population (because upper limit of the CI was ≤ 10%).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
James duly demonstrate why they're still headliners: ostensibly because their frontman, with his shaven head and Ming the Merciless goatee, is still a force of nature, spinning, pulling shapes like it's 1992 and gyrating his snake hips like an unhinged shaman.
News & Media
"The jury agreed that the evidence clearly demonstrated Ranger's intention to disregard the embargoes and duly delivered a conviction," prosecutor Elspeth Pringle told press after the decision.
News & Media
7. demonstrated that tumors derived from induced pluripotent stem cells were duly recognized and rejected by the immune system of immune-competent syngeneic mice, whereas those that originated from embryonic stem cells formed teratomas.
Science
Smith demonstrated it at the next meeting with Draper and Jurvetson, who were duly impressed.
News & Media
The fates duly tempted, Donald proceeded to demonstrate the touch of a high street bag-snatcher and leave himself well short of the pin.
News & Media
Finally, intravenous injection of the <30 kDa non-cytosolic subfraction duly reproduced a dramatic lymphopenic trough, which demonstrates that the pronecrotic factor works in vivo as well.
Science
"The verdict demonstrates that perseverance can pay off and that justice is a common human value, and gives hope that the worst crime — genocide — will also be duly tried in the subsequent cases".
News & Media
Duly noted.
News & Media
He duly fell short.
News & Media
He duly obliged.
News & Media
Expert writing Tips
Best practice
Use "duly demonstrated" to emphasize that something has been shown or proven in a proper, expected, or appropriate manner. It adds a formal tone to your writing.
Common error
Avoid using "duly demonstrated" too frequently, as it can make your writing sound repetitive or overly formal. Consider using simpler alternatives like "clearly shown" or "properly proven" for better readability.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "duly demonstrated" functions as an adverbial modifier followed by a past participle, indicating that an action (demonstrating) has been completed in a proper or expected manner. As Ludwig AI highlights, its use confirms that something has been shown appropriately.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "duly demonstrated" is a phrase used to indicate that something has been shown or proven in a proper and appropriate manner. As Ludwig AI states, this phrase is grammatically correct and usable, primarily found in science and news/media contexts, suggesting a formal tone. While it’s a valid expression, consider using synonyms like "fully demonstrated" or "appropriately demonstrated" to prevent repetition and maintain readability. Remember that overuse can make your writing seem stiff. Therefore, "duly demonstrated" should be reserved for situations where you wish to convey that something has been proven according to a standard or expectation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
fully demonstrated
Replaces "duly" with "fully", focusing on the completeness of the demonstration.
thoroughly demonstrated
Emphasizes the comprehensive nature of the demonstration, replacing "duly" with "thoroughly".
duly proved
Substitutes "demonstrated" with "proved", highlighting the establishment of truth or validity.
appropriately demonstrated
Replaces "duly" with "appropriately", focusing on the suitability of the demonstration.
duly attested
Changes "demonstrated" to "attested", indicating a formal confirmation or testimony.
formally demonstrated
Replaces "duly" with "formally", emphasizing the official or structured nature of the demonstration.
duly revealed
Substitutes "demonstrated" with "revealed", focusing on the unveiling or disclosure of something.
adequately demonstrated
Replaces "duly" with "adequately", highlighting that the demonstration was sufficient.
duly illustrated
Changes "demonstrated" to "illustrated", focusing on providing examples or visual aids to support a point.
correctly demonstrated
Replaces "duly" with "correctly", underlining the accuracy of the demonstration.
FAQs
How can I use "duly demonstrated" in a sentence?
You can use "duly demonstrated" to indicate that something has been proven or shown in an appropriate or expected manner. For instance, "The efficacy of the drug was "duly demonstrated" in clinical trials."
What are some alternatives to "duly demonstrated"?
Alternatives include "fully demonstrated", "thoroughly demonstrated", or "appropriately demonstrated", depending on the specific nuance you wish to convey.
Is "duly demonstrated" formal or informal?
"Duly demonstrated" is generally considered a formal expression. In more informal contexts, you might prefer phrases like "clearly shown" or "properly proven".
What does "duly" mean in the context of "duly demonstrated"?
In this context, "duly" means "in the proper or expected manner." Therefore, "duly demonstrated" signifies that something has been shown or proven in a way that is correct, appropriate, and meets the required standards.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested