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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
which mentioned that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which mentioned that" is correct and usable in written English.
It can be used to refer back to a previous statement or source that provided specific information or details. Example: "The report, which mentioned that the project was ahead of schedule, was well received by the stakeholders."
✓ 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
18 human-written examples
In fact, the article in The Journal News, which mentioned that Mr. Spitzer is Jewish, did not include any quotations from Mr. Vacco about a conspiracy.
News & Media
During his research, he stumbled upon a book about the painter George Bellows, which mentioned that Penn Station "promised to be a monumental gateway".
News & Media
In 1993, after the Chinatown chicken, Willy, expired, the New York "Times" ran a piece about Willy by Michael T. Kaufman, which mentioned that the chicken had been trained in Hot Springs, Arkansas.
News & Media
The education secretary's speech came after a Royal Society report which mentioned that computing science is seen as a subject about basic digital literacy skills such as how to use a word-processor or a database.
News & Media
As the chief justice read his statement, which mentioned that the Ginsburgs had met at Cornell University on a blind date in 1951, Justice Antonin Scalia, a close friend of the couple, seemed to wipe away a tear.
News & Media
This item, incidentally, was around the same length as the two paragraphs the New York Times ran in June 1942 – tacked on to another story – which mentioned that "probably the greatest mass slaughter in history" had claimed the lives of 700,000 Jews in Poland.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
Update: AT&T has also filed a letter with the FCC, which mentions that "AT&T is aware that the Commission has requested additional information about the job-related effects of the transaction.
News & Media
Also, in a week, our parliament will hopefully support a constitutional change initiated by me, which mentions that Ukraine has as the purpose of its foreign policy to become a full member of the European Union and of NATO.
News & Media
I commend Richard Rothstein's March 14 Lessons column, "There's More to Reading Than Phonics," which mentions that children struggle in school because parents with low literacy skills rarely read to them.
News & Media
The script is said to include a pointed tag line at the end which mentions that a CIA base chief who tried to delay the contractors received an agency medal.
News & Media
Now Davies gets out his iPad to show me a gov.uk document about how to assess an asylum seeker's age, which mentions that teeth can be X-rayed – or, alternatively, wrist bones.
News & Media
Expert writing Tips
Best practice
Use "which mentioned that" to introduce information from a source, ensuring clear attribution and avoiding plagiarism. This phrase is especially useful for summarizing research or news articles.
Common error
Avoid repetitive use of "which mentioned that" in close proximity. Vary your sentence structure by using synonyms like "which stated that" or "which indicated that" to maintain reader engagement.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which mentioned that" functions as a relative clause, providing additional information about a preceding noun. It introduces a detail or fact that was referred to in a previous statement or source. As Ludwig AI confirms, this phrase is commonly used.
Frequent in
News & Media
50%
Science
38%
Wiki
8%
Less common in
Academia
2%
Formal & Business
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "which mentioned that" is a grammatically correct and commonly used phrase to introduce details from a source. Ludwig AI confirms its usability and correctness. It functions as a relative clause to provide additional information, attributing facts to their origin. While versatile, it's important to avoid overuse and consider synonyms like "which stated that" or "which indicated that" for stylistic variation. This phrase is particularly frequent in news, media, and scientific contexts, making it a valuable tool for academic, journalistic, and professional writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
which stated that
Replaces "mentioned" with "stated", implying a more formal or definitive declaration.
which indicated that
Replaces "mentioned" with "indicated", suggesting that the information implies something without explicitly stating it.
which noted that
Substitutes "mentioned" with "noted", conveying a sense of observation or recording of information.
which reported that
Emphasizes that the information came from a report, highlighting the source's nature.
which pointed out that
Highlights that the source brought attention to a particular detail or fact.
which revealed that
Implies that the information was previously unknown or hidden.
which disclosed that
Similar to "revealed that", but often used in more formal or official contexts.
which suggested that
Indicates that the source implies something without directly stating it, similar to 'indicated that' but with a weaker connotation.
which alluded to the fact that
Suggests an indirect reference or hint to the information.
which touched upon the subject that
Implies the source briefly addressed that specific topic.
FAQs
How can I use "which mentioned that" in a sentence?
Use "which mentioned that" to introduce a detail or fact extracted from a source. For example: "The study, which mentioned that the effects were negligible, was later retracted".
What is a more formal alternative to "which mentioned that"?
A more formal alternative to "which mentioned that" could be "which stated that" or "which indicated that". These alternatives convey a greater degree of formality and precision.
How does "which mentioned that" differ from "which suggested that"?
"Which mentioned that" generally introduces a specific detail directly stated in the source, whereas "which suggested that" implies the source hinted at or implied something without explicitly stating it.
Is it grammatically correct to start a sentence with "which mentioned that"?
No, "which mentioned that" should be used within a sentence to provide additional information about a preceding noun phrase. It cannot stand alone as the beginning of a sentence.
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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
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested