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
substantiate the assertion that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "substantiate the assertion that" is correct and usable in written English.
It can be used when you want someone to provide evidence or support for a claim or statement they have made. Example: "In order to strengthen your argument, you need to substantiate the assertion that climate change is primarily caused by human activity."
✓ Grammatically correct
Science
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
The performance in the other years substantiates the assertion that the GMDH model generates better results, and so, this became the preferred model.
Science
There were no calcified enteroliths in the complicated Meckel's diverticulum, substantiating the assertion that this is a rare finding [6, 10].
Science
The new framework substantiates the assertion that policies of multiculturalism recognise a lack of opportunities as the policy problem and the policy intervention is designed to increase capabilities, whereas policies of assimilation recognise a lack of motivation as the policy problem and the policy intervention is designed to increase aspirations.
As detailed in Table II, there were no differences in treatment parameters between the Prolutex and Endometrin group, substantiating the assertion that the physicians treating the patients were not treating the patients differently based on study group assignment.
Science
A second factual correction was to make "more general" statements about Mr. Hussein's ties to Palestinian terrorist organizations and the Jordanian terrorist Abu Musab al-Zarqawi that had been used to substantiate the White House assertion that Mr. Hussein "maintained ties to terrorists and terrorist organizations," the administration official said.
News & Media
While the United Nations said Iraq had not substantiated the assertion, a spokesman said that a Dutch citizen working for a Swiss company hired by the United Nations to inspect goods at border crossings had been withdrawn because he had "taken some photographs in an area which the government considered to be sensitive".
News & Media
The assertion that fixed costs account for up to 50%% of the total costs of train operations is not substantiated nor is the contention that costs of train operation are not linked significantly to the degree of capacity (line? wagon assets?).
I disagree with the assertion that Uber is overstated.
News & Media
As of Thursday morning, "sniffer" planes and other sensors had yet to detect any evidence, such as particles in the air, that would substantiate the North Korean assertion that it had set off a hydrogen bomb, a US government source said.
News & Media
The Justice Department challenged the claim, writing in a court filing that the city had provided "no evidence to substantiate its assertion that public safety would be threatened by a brief delay in the next academy class".
News & Media
Ellerman said Conte was willing to take a lie-detector test to substantiate his assertion that he had not provide the names of any athletes to authorities.
News & Media
Expert writing Tips
Best practice
When using "substantiate the assertion that", ensure you provide concrete evidence or data to support the claim. Avoid vague language or anecdotal evidence.
Common error
A common mistake is to use this phrase when the supporting evidence is insufficient or irrelevant. Ensure the evidence directly and logically supports the "assertion" being made.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "substantiate the assertion that" functions as a connector linking a claim (assertion) with the evidence that supports it. It indicates an intention to provide proof or validation for the statement that follows, aligning with Ludwig AI's assessment of its correctness and usability.
Frequent in
Science
50%
News & Media
37%
Academia
13%
Less common in
Encyclopedias
0%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "substantiate the assertion that" serves as a formal connector used to introduce evidence supporting a claim. Ludwig AI confirms its grammatical correctness and appropriateness for academic and professional contexts. While not exceedingly common, it's important to use this phrase when you have concrete data or evidence to back up your claims. Remember to avoid weak or irrelevant evidence and choose alternative phrases like "verify the claim that" or "validate the argument that" when appropriate. Its primary contexts are science and news, so it can be a solid phrase for a formal context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
verify the claim that
Replaces "substantiate" with "verify" and "assertion" with "claim", focusing on confirming the truth of a statement.
validate the argument that
Uses "validate" instead of "substantiate" and "argument" instead of "assertion", emphasizing the act of confirming an argument's validity.
prove the statement that
Replaces "substantiate" with "prove" and "assertion" with "statement", highlighting the act of demonstrating the truth of a statement.
corroborate the allegation that
Substitutes "substantiate" with "corroborate" and "assertion" with "allegation", suggesting the provision of supporting evidence for an accusation.
support the hypothesis that
Changes "substantiate" to "support" and "assertion" to "hypothesis", indicating the strengthening of a scientific theory.
confirm the suspicion that
Replaces "substantiate" with "confirm" and "assertion" with "suspicion", implying the verification of a doubt or belief.
justify the belief that
Uses "justify" instead of "substantiate" and "belief" instead of "assertion", focusing on providing reasons to support a conviction.
substantiate the hypothesis
Omission of "that", direct to the core meaning.
provide evidence for the proposition that
Offers a more descriptive alternative using "provide evidence" and "proposition", emphasizing the act of furnishing proof for a formal statement.
demonstrate the truth of the claim that
Uses "demonstrate the truth" in place of "substantiate" and "claim" instead of "assertion", stressing the act of showing something to be factual.
FAQs
What does "substantiate the assertion that" mean?
It means to provide evidence or support to prove that a claim or statement is true or valid.
How can I use "substantiate the assertion that" in a sentence?
You can use it when you want to introduce evidence that supports a claim. For example: "The research data helps to "substantiate the assertion that" the new treatment is effective."
What are some alternatives to "substantiate the assertion that"?
You can use alternatives such as "verify the claim that", "validate the argument that", or "prove the statement that".
Is it better to use "substantiate" or "prove" in the phrase "substantiate the assertion that"?
"Substantiate" implies providing evidence to support a claim, while "prove" suggests demonstrating its absolute truth. The choice depends on whether you aim to support or definitively establish the claim. Using "substantiate" might be more appropriate when the evidence is strong but not conclusive.
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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
4.5/5
Expert rating
Real-world application tested