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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 mastery of which
Grammar usage guide and real-world examplesUSAGE SUMMARY
"the mastery of which" is a valid phrase that can be used in written English.
It is used to refer to an action or a subject that was mentioned previously in the conversation. For example, "Marty has been studying the piano for years and he has achieved the mastery of which few can boast".
✓ Grammatically correct
News & Media
Academia
Encyclopedias
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
7 human-written examples
In the Mahayana tradition, the emphasis is less on nirvana and more on knowledge or wisdom, the mastery of which constitutes awakening.
Encyclopedias
Ahead lay oysters, and portions of frog, and my first lobster claw, the mastery of which would require long metal instruments apparently borrowed from an obstetrician.
News & Media
During Patty's childhood — and, it is safe to assume, that of many of her readers — Latin was categorized as an élite specialty, the mastery of which was available to only the most talented students.
News & Media
If only to appropriate student loans rationally, we must also recognize distinctions between professions, the mastery of which requires learning many and perhaps more complex truths, and professions that one can master more easily.
News & Media
For millennials, a generation brought up on highly structured after-school activities and Pokémon (gotta catch 'em all!), the study of improv has obvious appeal it's an endeavor with clear-cut rules, the mastery of which instills a sense of having completed, and thus accomplished, something.
News & Media
There are some kinds of art-making mediums, the mastery of which consists of giving up trying to master them.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
She tells the story fluently, with engrossing detail on every page, and with the mastery of tone which made her Tatler famous for being popular with the people it was laughing at.
News & Media
The problem with the zone of excellence — and the reason why so many people in it are most unhappy — is that it is the mastery of that which already exists.
News & Media
But by the 45th year, likely advancements in the mastery of these wines — which should be drunk lightly chilled for maximum pleasure — could challenge the dominance of local chardonnay.
News & Media
Our 3,000 members are encouraged to participate in a quality initiative, the Mastery of Breast Surgery, in which image-guided biopsy as opposed to surgical excision is one of the main quality measures.
News & Media
All Kenyan schools are required to teach the precisely prescribed national curriculum, which is taught in Kiswahili and English and mastery of which is measured by an eighth-grade test called the K.C.P.E.
News & Media
Expert writing Tips
Best practice
Use "the mastery of which" to clearly link a specific skill or knowledge back to a previously mentioned subject, enhancing sentence flow and avoiding repetition. This is particularly effective in formal writing.
Common error
Avoid using "the mastery of which" when the subject it refers to is unclear or too distant in the text. Ensure the connection between the skill and its subject is immediately apparent to prevent confusion.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the mastery of which" functions as a relative clause, specifically a non-defining relative clause. It adds extra information about a previously mentioned noun, specifying a skill or area of expertise. As Ludwig AI shows, this phrase connects a skill to a subject in various contexts.
Frequent in
News & Media
35%
Academia
30%
Science
20%
Less common in
Encyclopedias
15%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "the mastery of which" is a formal phrase used to link a skill or expertise to a previously mentioned subject. Ludwig AI confirms its grammatical correctness and shows its presence across various contexts, primarily in news, academic, and scientific publications. While grammatically sound, ensure clarity by unambiguously connecting the skill to its subject to avoid confusion. When a less formal tone is more appropriate, consider alternatives such as "skill in that" or "expertise therein". By following these guidelines, you can effectively use "the mastery of which" to enhance your writing and provide precise information.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
skill in that
Replaces "mastery" with "skill" and restructures the sentence to use "in that" instead of "of which".
command over that
Substitutes "mastery" with "command" and uses "over that" instead of "of which".
expertise therein
Uses "expertise" instead of "mastery" and the more formal "therein" to replace "of which".
proficiency in it
Employs "proficiency" as a synonym for "mastery" and rephrases using "in it".
adeptness at that
Replaces "mastery" with "adeptness" and uses "at that" instead of "of which".
competence in that area
Uses "competence" to mean mastery, specifying "in that area" for clarity.
grasp of the subject
Replaces "mastery" with "grasp" and specifies "of the subject" for a broader context.
thorough knowledge thereof
Emphasizes "thorough knowledge" as a replacement for mastery, using the formal "thereof".
acquaintance with it
Suggests a familiarity or "acquaintance" instead of deep mastery.
familiarity with it
It downplays the level of skill by indicating "familiarity" rather than complete mastery.
FAQs
How can I use "the mastery of which" in a sentence?
Use "the mastery of which" to refer back to a previously mentioned skill or area of expertise. For instance, "He dedicated years to learning the craft, the mastery of which now defines his career."
What are some alternatives to "the mastery of which"?
Alternatives include "skill in that", "expertise therein", or "command over that", depending on the specific nuance you wish to convey.
Is "the mastery of which" formal or informal?
"The mastery of which" leans towards the formal side. For less formal contexts, consider using simpler phrases like "skill in it" or "knowledge of it".
How do I ensure clarity when using "the mastery of which"?
Make sure the noun or concept that "which" refers to is unambiguously clear from the preceding sentence. Avoid using it if there's any chance of misinterpretation.
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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
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested