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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
at which matters
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at which matters" is not correct and does not convey a clear meaning in written English.
It is unclear when it could be used due to its incorrect structure and lack of context. Example: "There are several factors at which matters need to be considered." (This example is still incorrect.)
⚠ May contain grammatical issues
News & Media
Science
Encyclopedias
Wiki
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
2 human-written examples
She picketed the federal courthouse in Manhattan and attended most of the City Council meetings at which matters related to the court's desegregation order were discussed or put to a vote.
News & Media
He was involved in the many meetings of people from his company and from N.W. Ayer at which matters such as casting, locations and script for the 30 seconds were worked out.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
In his 1928 book Astronomy and Cosmology he said: "The type of conjecture which presents itself, somewhat insistently, is that the centers of the nebulae are of the nature 'singular points' at which matter is poured into our universe from some other, and entirely extraneous spatial dimension, so that, to a denizen of our universe, they appear as points at which matter is being continually created".
News & Media
Must Avoid: Tavon Austin 5.3 FPs (STL vs. MIN) -Austin ranks just 64th at wide receiver for Week 1. Quarterback concerns, a decent defense (especially at secondary which matters if/when Austin is in the slot) and worry about his role take all of the value out of Austin.
News & Media
Bernie Sanders is getting at something powerful, which matters to a lot more people than socialists.
News & Media
They have defensive standouts everywhere, which matters at Safeco Field.
News & Media
This is not trivial; it helps to build credibility and momentum, which matters at lot in diplomacy.Because of the cold war, the old partnership is still held to an impossible standard: when Europe and America co-operate, "we can do our best to make the world a better place," said Mr Barroso at the summit.
News & Media
His influence in foreign affairs is big, which matters at a time when Turkey—having done much to help the winning side in the NATO democracies' war against Serbia feels more confident that it has a part to play in the world.
News & Media
All the success the regime achieved after this dramatic historical turning point, Lim argues, came at the cost of humanity, which matters most to Lim.
News & Media
The greatest conflict comes at the story's climax, after which matters are resolved, although there may be lesser resolutions after the preceding conflicts.
Wiki
Nearly three years later, only one other so-called Periodic Review Board has taken place – a reminder of the grinding pace at which all matters related to Guantánamo unfold – and it did not have a public component.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "at which matters" in formal writing due to its grammatical incorrectness. Opt for clearer and more precise alternatives like "regarding which matters".
Common error
A common error is using "at" instead of "regarding", "concerning", or "about" when introducing the topic of discussion. Always ensure the preposition accurately reflects the intended relationship between the introductory clause and the matters being discussed.
Source & Trust
84%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at which matters" is not grammatically sound and rarely used in standard English. It seems to attempt to link a relative clause with a specific topic, but the prepositional usage is incorrect. Ludwig AI's analysis confirms its limited and questionable usage.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "at which matters" is generally considered grammatically incorrect and is rarely found in authoritative writing. Ludwig AI analysis underscores this point, suggesting the phrase should be avoided in favor of clearer alternatives. While the intent might be to introduce a specific topic or subject, the ungrammatical structure undermines effective communication. For improved clarity and correctness, consider alternatives like "regarding which matters", "concerning which matters", or "about which matters", especially in formal contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
regarding which matters
Adds the preposition 'regarding' for better clarity, emphasizing the topic of discussion.
concerning which matters
Uses 'concerning' instead of 'regarding' to convey a similar sense of topic relevance.
about which matters
Employs 'about' to indicate the subject being discussed, slightly less formal than 'regarding'.
in relation to which matters
Introduces a more formal and detailed way of specifying the context of the matters.
with respect to which matters
Uses 'with respect to' for a formal tone, highlighting a specific aspect being considered.
on the subject of which matters
Rephrases to emphasize 'the subject' as the focus, providing a clearer contextual start.
in connection with which matters
Highlights a link or association to the matters being referred to.
pertaining to which matters
Employs 'pertaining to' to denote relevance or connection in a formal context.
relative to which matters
Specifies that the matters are being considered in relation to something else.
in regard to which matters
Similar to 'regarding', but slightly more formal and verbose.
FAQs
How can I rephrase "at which matters" to be grammatically correct?
Replace "at which matters" with options like "regarding which matters", "concerning which matters", or "about which matters" for improved clarity and grammatical accuracy. For example, use "regarding which matters" to introduce the subject.
What is a more formal way to say "at which matters"?
For a more formal tone, consider using "with respect to which matters" or "in relation to which matters". These alternatives provide a higher degree of formality and precision in professional or academic contexts, as in "with respect to which matters".
Is "at which matters" considered grammatically correct in English?
No, "at which matters" is generally considered grammatically incorrect. It's advisable to use clearer alternatives like "regarding the matters", "concerning the matters", or "about the matters" for better communication. This provides grammatical accuracy and comprehension.
When is it appropriate to use a phrase similar to "at which matters"?
It is generally best to avoid "at which matters" entirely. However, if you intend to specify a precise topic, use corrected phrases such as "about which matters" or "concerning which matters" in contexts where a formal tone is needed. Ensure clarity and proper grammar.
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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
84%
Authority and reliability
1.8/5
Expert rating
Real-world application tested