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
Fundamental principle
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Fundamental principle" is correct and usable in written English.
You can use it when discussing a basic truth or foundational concept that underpins a theory, system, or belief. Example: "The fundamental principle of democracy is that all citizens have an equal voice in the decision-making process."
✓ 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
60 human-written examples
"Fundamental principle of equal sovereignty"?
News & Media
For me, this is the fundamental principle.
News & Media
"The fundamental principle was always the same," she says.
News & Media
Never has a fundamental principle come to sound so hollow.
News & Media
Javid says there is a "fundamental principle" here.
News & Media
He has a fundamental principle: we don't leave troops behind.
News & Media
This is a fundamental principle of human rights.
News & Media
He writes of "liberalism, that fundamental principle of modernism".
News & Media
"There is a fundamental principle at stake," said Dieter.
News & Media
Its fundamental principle is that everything is spirit.
Encyclopedias
Thales thought that the fundamental principle of cosmos was water.
Encyclopedias
Expert writing Tips
Best practice
Clearly define the "fundamental principle" you are referencing to avoid ambiguity. Provide context and examples to illustrate its meaning.
Common error
Avoid using "fundamental principle" to describe something that is merely a common practice or preference. A "fundamental principle" should be a core, non-negotiable element.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fundamental principle" functions as a noun phrase within a sentence, typically acting as a subject, object, or complement. As Ludwig AI confirms, the phrase is correct and usable in written English. Examples from Ludwig show its use in various contexts.
Frequent in
News & Media
55%
Encyclopedias
15%
Science
15%
Less common in
Formal & Business
10%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "fundamental principle" is a commonly used noun phrase that denotes a core, foundational concept or belief. As Ludwig AI states, it's correct and usable in written English. Its usage spans various domains, including news, encyclopedias, and science, with a neutral to formal register. When employing this phrase, ensure that the principle is indeed foundational and clearly defined to avoid ambiguity. Consider related terms like "core principle" or "basic tenet" for nuanced expression. Remember that clarity and accuracy in defining the principle are key to effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Core principle
Emphasizes the centrality and essential nature of the principle.
Basic tenet
Highlights the foundational aspect of the principle, often used in philosophical or religious contexts.
Underlying principle
Focuses on the principle's role as a base or foundation for something else.
Guiding principle
Suggests that the principle provides direction or guidance.
Key principle
Emphasizes the importance of the principle.
Essential principle
Highlights the necessity and indispensability of the principle.
Foundational concept
Highlights the role of the principle in establishing a base for an idea.
Central concept
Focuses on the principle's role as main.
Primary law
Highlights the role of the principle as a rule to follow.
First premise
Highlights the role of the principle in logic.
FAQs
How can I use "fundamental principle" in a sentence?
You can use "fundamental principle" to introduce a core concept or idea that underlies a system, belief, or argument. For instance, "A "fundamental principle" of democracy is the right to vote."
What are some alternatives to "fundamental principle"?
Some alternatives include "core principle", "basic tenet", or "underlying principle", depending on the specific context.
Is it redundant to say "basic fundamental principle"?
Yes, using both "basic" and "fundamental" together can be redundant, as they both convey the idea of something being foundational. It's generally better to choose one or the other.
What's the difference between a "fundamental principle" and a "rule of thumb"?
A "fundamental principle" is a core belief or concept that guides action, while a "rule of thumb" is a practical, but not always accurate, guideline. "Fundamental principles" are typically more rigid and less adaptable than "rules of thumb".
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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
4.5/5
Expert rating
Real-world application tested