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
mere assertion
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mere assertion" is correct and usable in written English.
It can be used to describe a statement that is made without any supporting evidence or proof, often implying that the statement lacks credibility. Example: "His claim about the product's effectiveness was nothing more than a mere assertion, lacking any scientific backing."
✓ Grammatically correct
Academia
News & Media
Science
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
49 human-written examples
But this is mere assertion.
Academia
All else is mere assertion and speculation.
Academia
Nonetheless, the mere assertion that QE is symmetric is, in effect, asymmetric.
News & Media
It may be true but it is not on the mere assertion".
News & Media
He firmly rejects liberal individualism as nihilistic, the mere assertion that the meaning of life is me.
News & Media
The alternative — in which an act is legal or illegal at the mere assertion of the executive — is tyranny.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
11 human-written examples
Mere assertions about the relative efficiencies of competing projects will not do.
Academia
As for her Christmas holiday, Ms. Alliot-Marie told reporters there were was no question of her resigning "over false claims, mere assertions".
News & Media
We would welcome a serious discussion of the costs, rather than mere assertions, and are open to new information, either from Trump or from experts in construction engineering who have crunched the numbers.
News & Media
It averts the need to shoot much, if any, new footage, and through the use of actual images and the words of the target — sometimes misleading, sometimes not — the negative message can be made to appear more credible than mere assertions.
News & Media
He first reminded Grant that he himself had been "cast down by a mere newspaper assertion of 'crazy,'" but after recovering his confidence at Shiloh had been given "new life and now... was in high feather".
News & Media
Expert writing Tips
Best practice
When critiquing an argument, specify why a statement is a "mere assertion" by pointing out the missing evidence or logical reasoning. This strengthens your counter-argument and provides constructive feedback.
Common error
Avoid presenting your own claims as "mere assertions". Always back up statements with facts, data, or logical reasoning to make your argument more convincing and credible.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "mere assertion" functions as a noun phrase that typically acts as the object of a verb (e.g., "is", "remains") or the object of a preposition (e.g., "based on"). It is used to characterize a statement as lacking supporting evidence. Ludwig AI validates this by showing its usage in different contexts.
Frequent in
Academia
36%
News & Media
56%
Science
8%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "mere assertion" is a commonly used term to describe a statement lacking supporting evidence or justification. As confirmed by Ludwig AI, it is grammatically correct and frequently appears in academic, news, and scientific contexts. When using the phrase, it's crucial to clearly articulate why a statement is considered a "mere assertion" by pointing out the missing evidence or logical fallacies. Alternatives such as "baseless claim" or "unsubstantiated statement" offer similar meanings with slightly different emphasis. Avoid presenting your own claims as "mere assertions" by always providing supporting evidence.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
baseless claim
Emphasizes the lack of factual basis for the statement.
unsubstantiated statement
Highlights the absence of evidence to support the statement.
unsupported allegation
Suggests a claim made without any proof.
bald assertion
Implies the statement is blunt and without any attempt at justification.
empty declaration
Highlights the lack of substance or meaning behind the statement.
simple affirmation
Focuses on the straightforward and uncomplicated nature of the statement.
bare pronouncement
Emphasizes the lack of embellishment or detail in the statement.
unconfirmed report
Indicates the statement has not been verified or corroborated.
unproven proposition
Suggests the statement is a suggestion or idea that has not been demonstrated.
ipse dixit
Latin term meaning "he himself said it", indicating the statement is based solely on the authority of the speaker.
FAQs
How can I use "mere assertion" in a sentence?
Use "mere assertion" to describe a statement presented as fact without supporting evidence. For example, "The company's claim of increased profits was a "mere assertion", as they provided no financial data to back it up."
What's the difference between a "mere assertion" and a "hypothesis"?
A "mere assertion" is a statement presented as fact without evidence, while a hypothesis is a testable explanation for a phenomenon. A hypothesis requires experimentation and data to support or refute it; a "mere assertion" typically lacks any such backing.
What are some alternatives to "mere assertion"?
You can use alternatives like "baseless claim", "unsubstantiated statement", or "unsupported allegation" depending on the context.
Is it always negative to call something a "mere assertion"?
Yes, calling something a "mere assertion" is generally negative. It implies that the statement lacks credibility due to the absence of supporting evidence and should be treated with skepticism.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested