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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 source claims that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the source claims that" is correct and usable in written English.
It can be used when referencing information or assertions made by a particular source, such as a book, article, or expert. Example: "According to the research paper, the source claims that climate change is accelerating at an unprecedented rate."
✓ Grammatically correct
News & Media
Alternative expressions(2)
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
3 human-written examples
The source claims that when the coup-plotters learned about this, they went ahead and initiated the coup earlier than planned - hence the sloppiness.
News & Media
We had been tentatively calling the phone the Nexus 4G, but the source claims that this handset's current codename is "Prime," which means the phone could launch as the "Google Nexus Prime".
News & Media
The source claims that Kim feels it's a "slap in the face" that Reggie would consider having a child with Avagyan, because he didn't want to start a family with her, as he believed she was too caught up in fame and her reality series.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
C., as Montgomery called the source, claimed that the K.L.A. received about forty-five thousand dollars per body.
News & Media
The source claimed that Mr. Belmokhtar was alive and operating to the southwest, close to the Malian town of Gao.
News & Media
The source claimed that Murphy-O'Connor's official publicist at the church's headquarters insisted on reading the draft and making cuts.
News & Media
The source claimed that Mr. Liu "listens" to the acquaintance's advice, and was aware that the acquaintance "was attempting to conceal the nature" of the contributions, the filing says.
News & Media
The source claimed that account managers would regularly listen to the on-sale call and pass up-to-the-minute information about the bestselling events to their power sellers via a separate phone line.
News & Media
In an increasingly fierce battle over Britain's future relationship with the EU, which is causing stark divisions in the Tory party, the source claimed that independent experts had said Brexit would cause an "economic shock".
News & Media
The source claimed that a "small group" of employees, realising these sales targets would not be hit, struck deals with suppliers to still make these payments by offering benefits in the next financial period.
News & Media
The source claimed that even the conventional warrant system has been distorted – whereas police used to ask for a warrant before intercepting a target's communications, they will now ask GCHQ to intercept the target's communications and then use that information to seek a warrant.
News & Media
Expert writing Tips
Best practice
When using the phrase "the source claims that", ensure the source is clearly identified and credible to maintain the integrity of your writing. This establishes transparency and allows the reader to assess the validity of the claim.
Common error
Avoid using this phrase to introduce information from unreliable or anonymous sources without proper vetting. Always cross-reference claims and prioritize sources with a proven track record of accuracy.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
Attribution of information. The phrase "the source claims that" is primarily used to attribute a specific piece of information or assertion to a particular source. This is evident in Ludwig examples where the phrase introduces a claim made by a source regarding various events and situations. The phrase is an important part of reporting and academic writing, as recognized by Ludwig AI.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "the source claims that" is a grammatically sound and commonly used phrase, as supported by Ludwig AI, to attribute information to a specific source, particularly in news and media. While correct, its frequency is rare, but it serves the important function of attributing claims for transparency. To enhance your writing, consider varying this phrase with alternatives like "according to the source" or "the source indicates that". Always ensure the source is credible to maintain the integrity of your reporting.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
according to the source
Changes the sentence structure to lead with the attribution.
the source indicates that
Replaces "claims" with a more neutral verb, suggesting the source is pointing something out rather than asserting it.
the source reports that
Uses "reports" to convey that the source is providing information, often implying a formal or official communication.
the source asserts that
Substitutes "claims" with "asserts", indicating a strong declaration from the source.
the source suggests that
Replaces "claims" with "suggests", implying the source is offering a possibility or hypothesis rather than a definite statement.
it is claimed by the source that
Uses a passive voice construction to shift the emphasis away from the source and onto the information being conveyed.
the source alleges that
Implies that the claim is potentially unproven or controversial.
the information from the source suggests that
Adds "information from" to emphasize data origin.
the source is quoted as saying
Indicates direct quotation from the source.
the source is of the opinion that
Explicitly frames the information as the source's viewpoint.
FAQs
How can I use "the source claims that" in a sentence?
Use "the source claims that" to attribute information to a specific source. For example, "The source claims that the company is profitable".
What are some alternatives to "the source claims that"?
You can use alternatives like "according to the source", "the source indicates that", or "the source reports that".
Is it better to use "the source claims that" or "the source said that"?
"The source claims that" implies a degree of assertion or argument, while "the source said that" is a more neutral way of reporting information. Choose the phrase that best reflects the source's tone and intent.
When should I avoid using "the source claims that"?
Avoid using "the source claims that" when the information is widely known and accepted as fact, or when the source is unreliable. In such cases, a more direct statement or a more credible source should be used.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested