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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
the assertion that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"the assertion that" is correct and usable in written English.
You can use it when you want to introduce an opinion or belief that is being stated. For example: "The assertion that human activities are contributing to climate change has been widely accepted by scientists."
✓ Grammatically correct
News & Media
Science
Academia
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
60 human-written examples
There's just one problem: The doctors themselves dispute the assertion that weed caused a fatal overdose.
News & Media
The assertion that Scientologists defeated the bill is made frequently in Scientology literature.
Wiki
The assertion that he committed financial crimes, however, is misleading.
News & Media
Then there's the assertion that bond yields might rise.
News & Media
In particular, he withdrew the assertion that Adam had parents.
News & Media
We argue against the assertion that theory no longer matters and offer some new research directions.
Science
What about the assertion that legal ivory simply provides cover for illegal ivory?
Academia
We do not question the assertion that neglectful parents may be separated from their children.
Academia
Mr. Summers disputed the assertion that the hospital's obstetrics privileges policy was created for financial gain.
News & Media
I am exercised, however, by the assertion that Franklin's "most enduring legacy" is Poor Richard.
News & Media
At best, you hear the assertion that the world is a better place without Saddam Hussein.
News & Media
Expert writing Tips
Best practice
Use "the assertion that" to introduce a statement, claim, or belief, especially when it might be debated or challenged. This phrase adds a formal tone and signals that you will likely provide evidence or arguments related to the statement.
Common error
While grammatically sound, overuse of "the assertion that" can make your writing sound overly formal or stilted in casual contexts. Consider using simpler alternatives like "the idea that" or "the belief that" when writing for a general audience.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "the assertion that" is to introduce a noun clause. This phrase acts as a subject complement or an appositive, providing further information or clarification about a preceding noun or pronoun, as shown in the Ludwig examples.
Frequent in
News & Media
41%
Science
34%
Academia
25%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "the assertion that" serves as a formal way to introduce a statement or claim, often one that requires further explanation or evidence. Ludwig AI indicates that the phrase is grammatically correct and usable in written English. It's frequently encountered in news, scientific, and academic contexts. While it adds a level of formality, overusing it in casual settings can sound stilted. Consider alternatives like "the claim that" or "the idea that" for a more relaxed tone. Remember that an assertion is a statement presented as fact, distinct from an assumption which is taken for granted without proof. Use this phrase judiciously to enhance the clarity and impact of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the claim that
Focuses on the statement itself being challenged or supported, similar to assertion, but slightly more neutral.
the argument that
Suggests a more reasoned and developed statement, often part of a debate or discussion.
the proposition that
Implies a formal statement put forward for consideration or debate, often in academic or philosophical contexts.
the contention that
Emphasizes a point of view that is likely to be disputed or challenged, creating a sense of conflict.
the hypothesis that
Specifically indicates a tentative explanation that requires further investigation, commonly used in scientific research.
the premise that
Highlights that the statement is a basis of an argument and that everything is based from it.
the belief that
Highlights the subjective nature of the statement, emphasizing personal conviction rather than objective proof.
the idea that
Presents a thought or concept, often less formal and less strongly stated than an assertion.
the view that
Implies a perspective or opinion on a particular subject, emphasizing the subjective nature of the statement.
the assumption that
Suggests something taken for granted, often without proof, as a basis for reasoning.
FAQs
How can I use "the assertion that" in a sentence?
Use "the assertion that" to introduce a statement or claim, especially one that is open to debate or requires further support. For example: "The assertion that climate change is primarily caused by human activity is supported by extensive scientific evidence."
What are some alternatives to "the assertion that"?
Depending on the context, you can use phrases like "the claim that", "the argument that", "the belief that", or "the idea that".
Is "the assertion that" formal or informal?
"The assertion that" leans towards the formal side. It's suitable for academic writing, professional reports, and news articles. In casual conversation, simpler alternatives might be more appropriate.
What's the difference between "the assertion that" and "the assumption that"?
"The assertion that" introduces a statement presented as fact, while "the assumption that" introduces a statement taken for granted without proof. An assertion is typically presented with some level of support, whereas an assumption is often made without explicit justification.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested