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
as per principles
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as per principles" is correct and usable in written English.
It is typically used to indicate that something is being done according to established principles or guidelines. Example: "The project was executed as per principles outlined in the company’s policy manual."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(15)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Spectral data as per principle component analysis (PCA) revealed segregation of control and GCE-treated cells for all the tested bifidobacteria.
The working of the instrument begins and is operated as per the principles used in the instrument.
Science
I also think there is a need of maintenance as per acupuncture principles".
The study was conducted as per the principles of Good Clinical Practice, International Guidelines for Ethical Review of Epidemiological Studies, local regulations in Singapore and the Declaration of Helsinki.
Science
TORS involves en bloc removal of the tumour as per the principles outlined in the da Vinci Transoral Surgery Procedure Guide: http://www.uphs.upenn.edu/pennorl/education/documents/daVinciTORSProcedureGuide.pdf.pdf
Science
Written informed patient consent for donation of human blood was obtained with approval from the Seattle Children's Research Institute Institutional Review Board (protocol # 11117) as per the Principles in the WMA Declaration of Helsinki and Dept. of Health and Human Services Belmont Report.
Science
Organized by FAO in partnership with the Agricultural and Rural Prospective Initiative (IPAR in its French acronym), the programme aims at building the capacities of key political leaders to foster more and better investments in agriculture, as per the Principles for Responsible Investment in Agriculture and Food Systems (CFS-RAI).
All randomized patients were included in the analysis, as per the intention-to-treat principle.
Science
So it is not entirely surprising that as long as proper parthood is well behaved, as per (P.4), extensionality might pop up like this in the presence of substantive composition principles.
Science
The idea, as per the title, is to convey the principles of Scientology.
News & Media
"Research has shown that women feel that computers and technology are male domains", as per research principle.
Expert writing Tips
Best practice
When using "as per principles", ensure that the specific principles you are referring to are clearly defined or easily understood within the context. Avoid ambiguity by explicitly stating the principles if necessary.
Common error
Avoid using "as per principles" in casual or informal writing. The phrase carries a formal tone and may sound pretentious or out of place in everyday conversation or less formal communication.
Source & Trust
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as per principles" functions as a prepositional phrase. It modifies a verb or noun, indicating that an action or state aligns with specific guidelines. Lacking examples, analysis relies on general understanding.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "as per principles" functions as a prepositional phrase indicating alignment with established guidelines. While grammatically correct, its usage is infrequent, as Ludwig indicates. Its formal register makes it suitable for professional and scientific contexts. When using this phrase, ensure that the principles in question are clearly defined to avoid ambiguity. Though its structure is valid, be mindful of overuse, especially in informal contexts. Alternatives like "according to principles" may provide a slightly different emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
according to principles
Emphasizes a direct alignment with specified principles.
in accordance with principles
Highlights conformity and agreement with a set of principles.
following established principles
Stresses adherence to principles that are already recognized and accepted.
pursuant to principles
Indicates action taken as a result of or in compliance with specific principles. Slightly more formal.
consistent with principles
Highlights the alignment and lack of contradiction with core principles.
in line with principles
Suggests a parallel or harmonious relationship with guiding principles.
in compliance with principles
Focuses on meeting the requirements or standards set by defined principles.
observing principles
Stresses the act of watching and adhering to guiding principles.
respecting principles
Highlights the importance of showing deference to guiding principles.
adhering to principles
Emphasizes a firm commitment and loyalty to a set of principles.
FAQs
How can I use "as per principles" in a sentence?
You can use "as per principles" to indicate that an action or decision is being made according to established guidelines or fundamental truths. For example: "The project was executed "according to principles" outlined in the company’s policy manual".
What phrases are similar to "as per principles"?
Several phrases convey a similar meaning to "as per principles", including "in accordance with principles", "according to principles", and "following established principles". The choice depends on the specific nuance you wish to convey.
Is it better to say "as per the principles" or "as per principles"?
While both forms are grammatically acceptable, "as per the principles" is generally preferred when referring to a specific and well-defined set of principles. "As per principles" is more general and might be used when referring to general principles of a field or practice.
What is the difference between "as per" and "according to"?
"As per" is often used in formal or business contexts and indicates adherence to specific instructions or guidelines. "According to" is more general and can refer to information, opinions, or sources. You might say "as per instructions" when following a specific set of directives, but "according to the report" when citing information from a report.
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
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested