Used and loved by millions
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
principles of which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "principles of which" is correct and usable in written English.
It can be used to refer to specific principles that are associated with a previously mentioned subject or object. Example: "The theories presented in the paper are based on principles of which the author has extensive knowledge."
✓ Grammatically correct
Science
News & Media
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
27 human-written examples
It is completely against the art principles of which "alternative" music is supposed to be born.
News & Media
There are a couple of principles of which a good cuttings writer should be aware.
News & Media
Petrie developed a systematic method of excavation, the principles of which he summarized in Methods and Aims in Archaeology (1904).
Encyclopedias
There are, however, certain limiting principles, of which the most important are: Every relation that is symmetrical and transitive is at least quasi-reflexive.
Encyclopedias
What is called for is principles that can be pointed to as the mainstays of the culture, principles of which not disparate individuals but the society is the custodian.
News & Media
Kate Metcalf, professional practice adviser, the College of Social Work: "Recent examples from clinical practice include 'Making Safeguarding Personal' research and local authority participation, the principles of which can be seen in the Care Act's safeguarding ethos.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
33 human-written examples
The culprit is quantum weirdness, one principle of which is that anything that is not forbidden will happen.
News & Media
No real entrepreneur will refer to a textbook or management theory; the very principle of which is an anathema to free thought and innovation.
News & Media
The above principle, of which my 24-carat Tory pupil-master was so justly proud, is now hanging by a thread, one which the Ministry of Justice's plans will finally sever.
News & Media
Industrial and developing nations remained divided about a $100 billion aid pledge for 2020, an insurance fund for climate disasters and the principle of which countries should shoulder the burden of shifting the world away from oil, coal and natural gas.
News & Media
The (mathcal {NP} -hardness proof is based on a Karp reduction, the principle of which (proof by contradiction) is depicted in Fig. 9.
Expert writing Tips
Best practice
When using "principles of which", ensure that the noun it refers to is clearly defined in the preceding context to avoid ambiguity. For instance, specify the field of study, methodology or framework before referring to its "principles of which".
Common error
Avoid using "principles of which" when a simpler construction like "its principles" or "the principles that" would be clearer and more direct. Overusing the phrase can make your writing sound unnecessarily convoluted.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "principles of which" functions as a relative clause introducing a description or further explanation of the principles related to a previously mentioned concept or subject. Ludwig AI confirms its correctness and usability in written English.
Frequent in
Science
36%
News & Media
32%
Encyclopedias
21%
Less common in
Formal & Business
5%
Reference
3%
Social Media
3%
Ludwig's WRAP-UP
In summary, "principles of which" is a grammatically sound phrase that introduces information about the core tenets relating to a preceding noun. Ludwig confirms its correct usage. Although versatile, it's most common in scientific, news and encyclopedic contexts, indicating a formal register. When using this phrase, ensure clarity and avoid unnecessary complexity. Consider alternatives like "the principles that" or "its principles" for more direct communication. The frequency of use, authoritative sources and source quality indicate that "principles of which" is used to add detailed and important information about a concept.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
tenets of which
Replaces "principles" with "tenets", implying a set of beliefs or doctrines, slightly more formal.
fundamentals of which
Substitutes "principles" with "fundamentals", emphasizing the basic or essential elements.
precepts of which
Replaces "principles" with "precepts", suggesting rules or guidelines, slightly more prescriptive.
foundations of which
Changes "principles" to "foundations", highlighting the underlying basis or support.
rationale of which
Replaces "principles" with "rationale", focusing on the reasons or logic behind something.
basis of which
Changes "principles" to "basis", indicating the foundation or support for something.
core of which
Replaces "principles" with "core", highlighting the most essential or fundamental part.
essence of which
Changes "principles" to "essence", emphasizing the intrinsic nature or quality.
cornerstones of which
Replaces "principles" with "cornerstones", suggesting fundamental and indispensable elements.
doctrines of which
Substitutes "principles" with "doctrines", emphasizing established teachings or beliefs.
FAQs
How can I use "principles of which" in a sentence?
Use "principles of which" to refer back to previously mentioned concepts or guidelines. For example: "The experiment was based on established scientific methodologies, the "principles of which" are well-documented".
What are some alternatives to using "principles of which"?
Alternatives include phrases like "the principles that", "its underlying principles", or "the principles governing it". You can also use: "tenets of which" or "fundamentals of which".
Is it better to say "principles of which" or "the principles that"?
Both are grammatically correct, but "the principles that" is often more direct and easier to understand. "Principles of which" can sound more formal and is suitable when linking a relative clause to a previously mentioned noun phrase.
What's the difference between "principles of which" and "underlying principles"?
"Principles of which" is a relative clause construction used to connect principles to a previously mentioned subject. "Underlying principles" is a descriptive phrase emphasizing the foundational nature of those principles. For example, "the "rationale of which" is..." versus "the underlying principles are...".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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
4.5/5
Expert rating
Real-world application tested