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
by this principle
Grammar usage guide and real-world examplesUSAGE SUMMARY
"by this principle" is a correct and usable phrase in written English.
You can use it when referring to a particular principle, rule, or statement that is being used to explain something or act as a basis for a conclusion. For example, "By this principle, we can extrapolate that the trend will continue."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(18)
according to this principle
based on this principle
guided by this principle
in accordance with this principle
on the basis of this principle
by this rationale
by this declaration
by this policy
by this guideline
by this position
by this was
by this criteria
by this experience
by this analysis
by this argument
by this movement
by this strategy
by this affair
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
38 human-written examples
We stand by this principle".
News & Media
By this principle, Newcastle are setting a precedent for Liverpool.
News & Media
All we are asking is that the government abides by this principle".
News & Media
We urge Mr. Bush to be guided by this principle, should the court ruling favor Mr. Gore.
News & Media
Second, the assumption that President Hassan Rouhani's decisions might be guided by this principle rather than realpolitik is unwarranted.
News & Media
Gov.uk was guided by this principle at every step, and as a result delivers a service that is simpler, clearer and faster for users.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
22 human-written examples
By applying this principle, any submatrix can be inverted by simple additions only.
By following this principle, Maersk reduced headcount at its corporate headquarters by 40% in two years and did a better job of enabling the businesses to produce results.
News & Media
Miss Jayalalitha erred by ignoring this principle.
News & Media
He began by applying this principle to the renovations.
News & Media
By applying this principle of uniqueness to human beings, he thereby precluded their absorption into a group consciousness or absolute mind.
Encyclopedias
Expert writing Tips
Best practice
When using "by this principle", ensure the principle you are referencing is clearly stated or understood within the context of your writing. This ensures clarity and avoids ambiguity.
Common error
Avoid assuming the reader understands the underlying principle. Briefly explain or reiterate the principle to ensure everyone is on the same page. If the principle is misinterpreted, the application of "by this principle" will lead to a flawed conclusion.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by this principle" functions as an adverbial phrase, modifying a clause and indicating the basis or justification for the statement made in that clause. As Ludwig AI confirms, it links an action or conclusion to an underlying principle.
Frequent in
Science
33%
News & Media
33%
Encyclopedias
16%
Less common in
Wiki
6%
Formal & Business
6%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "by this principle" serves as a useful connector to indicate that a statement logically follows from a stated principle. As Ludwig AI points out, it's a grammatically sound phrase. It appears most frequently in Scientific and News & Media contexts but is also suitable for encyclopedic entries. Related phrases include "according to this principle" and "based on this principle". When employing this phrase, ensure the principle is clear to your audience to avoid misinterpretation. While considered uncommon overall, its consistent and authoritative usage solidifies its place in formal English writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
according to this principle
Replaces "by" with "according to", emphasizing adherence to the principle.
based on this principle
Substitutes "by" with "based on", highlighting the principle as the foundation.
following this principle
Changes "by" to "following", focusing on the act of adhering to the principle.
guided by this principle
Replaces "by" with "guided by", suggesting the principle is a guiding force.
in accordance with this principle
Offers a more formal alternative, emphasizing compliance with the principle.
on the basis of this principle
Provides a more elaborate way of saying "based on", emphasizing the principle as the foundation.
premised on this principle
Highlights the principle as the underlying assumption or premise.
relying on this principle
Focuses on the act of depending on the principle for guidance.
deriving from this principle
Suggests the action or conclusion originates from the principle.
stemming from this principle
Indicates the principle is the origin or source of the action or conclusion.
FAQs
How can I use "by this principle" in a sentence?
Use "by this principle" to introduce a conclusion or action that logically follows from a previously stated principle. For example, "The company prioritizes sustainability; "by this principle", all packaging is made from recycled materials".
What is a good alternative to "by this principle"?
Alternatives include "according to this principle", "based on this principle", or "following this principle". The best choice depends on the specific nuance you want to convey.
Is "by this principle" formal or informal?
"By this principle" is generally considered suitable for formal and semi-formal writing. While not overly technical, it provides a logical link that's common in academic and professional contexts.
What does "by this principle" imply?
It implies that a particular action, decision, or conclusion is a direct and logical consequence of a specific rule, guideline, or fundamental truth. It establishes a cause-and-effect relationship stemming from an accepted tenet.
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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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested