Used and loved by millions
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
a firm assertion
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a firm assertion" is correct and usable in written English.
It can be used when you want to describe a statement or claim that is made with confidence and certainty. Example: "The scientist made a firm assertion about the results of the experiment, leaving no room for doubt."
✓ Grammatically correct
News & Media
Science
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
But it has exposed the sensitivities of the secular French republic, home to Europe's biggest Muslim population, about the right balance to strike between respect for Islamic tradition and a firm assertion of French law.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
However, since our data is anecdotal, and since the men we interviewed are not statistically representative of all the men who were held in Guantanamo, we cannot make any firm assertions at this time.
News & Media
The EQ-5D and SF-6D were not administered at the time of randomisation immediately after delivery and the EQ-5D was not administered at six weeks postnatally (whilst the SF-36 was) and, consequently, we are unable to make any firm assertions about how the EQ-5D might perform longitudinally [ 52, 53].
He calls this phenomenon "shared social responsibility": instead of passively accepting a firm's assertion of its charitable donations, the customer must actively agree to give money to charity, and determine how much.
News & Media
The firm assertion, as found in these philosophers' works, that there is no knowledge can be turned against itself: does the proponent of "nothing is known" claim to know that nothing can be known (and if not, why assert it)?
Science
They insist on emphasizing that these hypotheses must not be considered as firm assertions, but rather aim to provide tracks for future in-depth molecular investigations.
Science
During the chorus, the track's monosyllabic title is sung staccato over a minimal beat like a firm order, suggesting the act of being dressed is an assertion of female agency, rather than the denial of it.
News & Media
At that time, he was defending his agency against assertions by Walter Hang, an activist and head of Toxic Targeting, a firm specializing in documenting pollution.
News & Media
Expect a firm rebuttal.
News & Media
Make a firm decision.
News & Media
Set a firm bedtime.
Wiki
Expert writing Tips
Best practice
Use "a firm assertion" when you want to convey a sense of certainty and conviction in your statement. It's best suited for formal contexts where clarity and strength of expression are valued.
Common error
Avoid using "a firm assertion" in casual conversations or informal writing. It can sound overly formal or pretentious in settings where a simpler expression would be more appropriate.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a firm assertion" functions as a noun phrase that describes a statement or claim made with conviction. As Ludwig indicates, it denotes a statement delivered with confidence, aiming to leave little room for doubt. The example from The Economist illustrates its use in describing the insistence on French law.
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, "a firm assertion" is a noun phrase used to describe a statement or claim made with conviction and certainty. Ludwig indicates that the phrase is grammatically correct and suitable for emphasizing the strength and clarity of an idea. It is most commonly found in news and media and scientific contexts, though its slightly formal register may make it less suitable for casual conversation. Related phrases include "a strong declaration" and "a confident claim". While grammatically sound, ensure its use aligns with the formality of your context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a strong declaration
Replaces "assertion" with "declaration", emphasizing the act of declaring something strongly.
a definite statement
Uses "statement" instead of "assertion" and "definite" instead of "firm", highlighting the clarity and lack of ambiguity.
a confident claim
Substitutes "assertion" with "claim" and "firm" with "confident", focusing on the speaker's assurance.
an emphatic affirmation
Replaces "firm" with "emphatic" and "assertion" with "affirmation", suggesting a strong and positive declaration.
a resolute pronouncement
Uses "pronouncement" to mean a formal declaration and "resolute" instead of "firm", indicating determination.
a decided avowal
Replaces "assertion" with "avowal", emphasizing open acknowledgement, and "firm" with "decided".
a categorical statement
Emphasizes the lack of exceptions or conditions, replacing "firm" with "categorical".
a forceful contention
Replaces "assertion" with "contention", emphasizing the argumentative nature of the claim, and "firm" with "forceful".
a positive affirmation
Replaces "assertion" with "affirmation", suggesting a positive declaration, and "firm" with "positive".
an unwavering declaration
Highlights the steadfast nature of the declaration, replacing "firm" with "unwavering".
FAQs
How can I use "a firm assertion" in a sentence?
You can use "a firm assertion" to describe a statement made with confidence and certainty. For example, "The lawyer made "a firm assertion" about her client's innocence based on the evidence presented."
What are some alternatives to "a firm assertion"?
Some alternatives include "a strong declaration", "a definite statement", or "a confident claim", depending on the specific nuance you want to convey.
When is it appropriate to use "a firm assertion" in writing?
It is appropriate to use "a firm assertion" in formal writing, legal documents, academic papers, or any context where you need to emphasize the strength and certainty of a statement.
What is the difference between "a firm assertion" and "an opinion"?
"A firm assertion" implies a strong belief in the truth of something, often supported by evidence, while "an opinion" is a personal viewpoint that may not be based on concrete proof. You can use "in my opinion" to describe your opinion.
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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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested