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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
a matter of core
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a matter of core" is not correct and does not convey a clear meaning in written English.
It may be intended to refer to something fundamental or essential, but the phrasing is awkward and unclear. Example: "When discussing the company's values, it is important to address a matter of core principles that guide our decisions."
⚠ May contain grammatical issues
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
1 human-written examples
"This is a matter of core principle".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
This used to be a matter of choosing a core of English, maths, science and a language, then adding on other subjects depending on the child's interest and the logistics of the timetable.
News & Media
According to Taylor, it's also just a matter of making the core functionality of document creation more useful.
News & Media
While Prisma gained viral popularity last year, netting its Moscow-based makers around 70 million downloads in a matter of months, its core feature has been rapidly and widely copied — including by social goliaths like Facebook.
News & Media
"In our judgment, as a matter of necessity, the core of the trial must be heard in camera [behind closed doors]." "We are not persuaded, on the material before us, that there is a risk to the administration of justice warranting anonymisation of the defendants," he continued.
News & Media
Questions and answers about source code are posted to the room on a daily basis and, as a matter of principle, the core development team attempts to provide immediate responses on the Gitter channel.
Science
As a matter of fact, when core classes were derived in Soria et al (2010) the number of unclassified patients was 413, whereas after applying Rasmani et al 's (2009) approach this number went down to 76.
Science
It was just a matter of time before the core purpose statement became just that – a mere core purpose statement.
Academia
China's mounting investments in Southeast Asia, including the establishment of a $50 billion Chinese infrastructure bank to rival development banks influenced by the United States, are no longer "just a matter of business" but "a core Chinese interest," Mr. Kausikan warned.
News & Media
Manufacturing machines, as a matter of fact, are a core enabling technology in a number of key industrial sectors (metal, wood, leather, stone, plastic, …), which have common requirements for increased product customization and improved competitiveness in terms of reduced cost, shorter delivery times and improved quality.
Science
The die-hards like Mr. Carney still make it a destination, and he thinks it is only a matter of time for a new core to form.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "a matter of core" in formal writing. Instead, opt for clearer and more grammatically sound alternatives such as "a matter of principle" or "a central concern".
Common error
Be cautious of using "core" as a general descriptor for importance. While "core values" or "core principles" are acceptable, avoid phrases like "a matter of core" where it doesn't fit standard English grammar.
Source & Trust
87%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a matter of core" attempts to function as a descriptor indicating something fundamental or essential. However, as Ludwig AI points out, this phrasing is grammatically awkward and does not clearly convey its intended meaning in standard English.
Frequent in
News & Media
33%
Science
33%
Academia
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "a matter of core" is grammatically questionable and not recommended for use in formal writing. Ludwig AI indicates that it's an awkward phrasing. While the intent might be to express something of fundamental importance, it's better to use more conventional alternatives like "a matter of principle", "a central concern", or "a fundamental issue". Despite appearing in sources like The New York Times and The Guardian, its rarity and grammatical issues make it a less desirable choice for clear and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a matter of principle
Replaces "core" with "principle" to convey a similar meaning of fundamental belief or value.
a fundamental issue
Highlights the basic and essential nature of the matter.
a central concern
Emphasizes the importance and focus of the issue.
at the heart of the matter
Uses a more idiomatic expression to signify the central and most important part.
an essential element
Focuses on the necessary and indispensable aspect.
a critical point
Highlights the decisive and important nature of the issue.
a key aspect
Indicates a significant and crucial part of something.
a basic tenet
Refers to a fundamental belief or doctrine.
a core matter
Reorders the words, making it grammatically correct but changes the overall meaning.
a vital component
Stresses the importance of the element for the whole.
FAQs
What's a more grammatically sound alternative to "a matter of core"?
Consider using phrases like "a matter of principle", "a central concern", or "a fundamental issue" as more grammatically correct alternatives. These options convey a similar meaning of something being essential or fundamental.
Is "a matter of core" ever correct in English?
While not inherently grammatically correct, its usage may be interpreted depending on context, however it is generally not advised. Consider using alternative phrases that provide clarity and grammatical correctness.
How can I use "a matter of principle" instead of "a matter of core"?
Replace "a matter of core" with "a matter of principle" when you want to emphasize that something is based on fundamental beliefs or values. For instance, "Refusing to compromise on quality is "a matter of principle" for our company".
What's the difference between "a matter of core" and "a core matter"?
"A core matter" refers to something of central importance, while "a matter of core" is grammatically unconventional and lacks clear meaning. It's better to use "a core matter" or rephrase the sentence for better clarity.
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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
2.2/5
Expert rating
Real-world application tested