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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
principle of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "principle of" is correct and usable in written English.
You can use it when referring to a fundamental truth, law, or assumption that serves as the foundation for a system of belief or behavior. Example: "The principle of equality is essential in a democratic society."
✓ Grammatically correct
News & Media
Encyclopedias
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
59 human-written examples
"Fundamental principle of equal sovereignty"?
News & Media
A basic principle of Pres.
Encyclopedias
violates every principle of fung-sui.
News & Media
That is the basic principle of democracy.
News & Media
An important principle of givebacks was established.
News & Media
It is the principle of the thing.
News & Media
Principle of the cocktail-hour dip.
News & Media
The principle of independence is generally accepted.
News & Media
Feminism rested on the principle of equality.
News & Media
His solution was the principle of examination.
News & Media
"It was the principle of the thing".
News & Media
Expert writing Tips
Best practice
When discussing ethics or morals, use "principle of" to denote a basic standard of behavior. For example: "The principle of honesty is crucial for building trust."
Common error
Avoid using "principle of" when referring to specific, detailed guidelines or procedures. Instead, reserve it for overarching, foundational concepts. Use other phrases like 'rule', 'guideline', or 'procedure' for specific instructions.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "principle of" typically functions as a prepositional phrase. It is used to introduce and modify a noun or noun phrase, specifying the underlying rule, belief, or concept related to that noun. Ludwig AI examples confirm its common usage in academic, news, and general writing.
Frequent in
News & Media
42%
Science
22%
Encyclopedias
14%
Less common in
Wiki
12%
Formal & Business
3%
Social Media
0%
Ludwig's WRAP-UP
The phrase "principle of" is a versatile prepositional phrase used to introduce fundamental concepts and guiding rules. As indicated by Ludwig AI, it is grammatically correct and frequently appears across diverse sources, including news, encyclopedias, and scientific publications. Its primary function is to establish a foundation for understanding a system or idea, serving a neutral to formal register. To enhance your writing, use "principle of" when introducing core concepts and avoid using it for specific guidelines. Alternatives like "basis of" and "rationale behind" can be considered based on the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
basis of
Focuses on the foundational aspect, emphasizing what something is built upon.
underlying concept of
Highlights the conceptual foundation beneath a system or idea.
rationale behind
Emphasizes the reasoning and justification supporting a particular action or belief.
fundamental tenet of
Stresses the core beliefs or doctrines that underpin a system or ideology.
governing rule of
Highlights the regulatory and directive nature of a principle.
core idea of
Simplifies the concept to its central and most important notion.
key aspect of
Draws attention to a significant element or feature of a concept.
reason for
Focuses on the causative element, explaining why something is the way it is.
law of
Implies a universally accepted rule or phenomenon that always holds true.
theory behind
Highlights the theoretical framework that explains a phenomenon.
FAQs
How do I use "principle of" in a sentence?
Use "principle of" to introduce a fundamental rule, belief, or concept. For example, "The principle of supply and demand governs market prices."
What phrases are similar to "principle of"?
You can use alternatives like "basis of", "underlying concept of", or "rationale behind" depending on the specific context.
Is it correct to say "the principle of the matter" or "the principle in the matter"?
"The principle of the matter" is the more common and idiomatic phrasing. It refers to the underlying principle at stake in a situation.
What is the difference between "principle of" and "matter of"?
"Principle of" refers to a fundamental belief or rule, while "matter of" typically refers to a question or issue. For example, "It's a principle of ethics" versus "It's a "matter of opinion"".
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested