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
established by which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "established by which" is correct and usable in written English.
It can be used when referring to a method or process that has been set up or defined by a specific means or criteria. Example: "The regulations were established by which all participants must adhere to the safety protocols."
✓ Grammatically correct
Science
News & Media
Academia
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
15 human-written examples
A model was established by which to predict whether a fire barrier zone could prevent flames from spreading upwards.
Science
A formula of the maximum time delay for ensuring system stability is established, by which the influence analysis of control gains on system stability is further arisen.
In order to keep teachers in the field, clear pathways must be established by which teachers who wish to remain practitioners, rather than becoming headteachers or policy-bots, can earn recognition, respect, and – yes – remuneration.
News & Media
In this paper, the heat source model of consumable-rod in friction surfacing is established, by which the temperature field of consumable-rod during the process is simulated through finite difference method.
Iteration equations are theoretically established by which Stodola iteration permits the progressive evaluation of the coefficients of the equivalent mass matrix for the transverse vibration of a uniform Timoshenko beam segment.
A mathematical model which reflected the change of the maximal absolute shear stress for the center layer was established, by which the maximal absolute shear stress for the center layer can be easily calculated and the appropriate rolling technology can be designed.
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
"We have a process in this country, which was established by law, which provides for the transparency which candidates are required to meet.
News & Media
This Student Bill of Rights was established by New York State Education Law Article 129-B, which goes into effect on October 7, 2015.
Academia
Lexin agreed to retain the architectural design standards established by Disney, which opened the town in 1996.
News & Media
Robson, 41, is also a director of the Centre for Social Justice, the thinktank established by Duncan Smith which helped the employment secretary develop his plans for tackling unemployment.
News & Media
The specific ratio would be established by auction, which would encourage interested companies to bid against one another, guaranteeing a fair deal for the government.
News & Media
Expert writing Tips
Best practice
When using "established by which", ensure the context clearly defines what is being established and the specific means or criteria used for its establishment. This enhances clarity and avoids ambiguity.
Common error
Avoid using "established by which" in informal writing. Simpler alternatives like "created by" or "defined by" are often more appropriate for casual contexts.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "established by which" functions as a relative clause connector, often found in formal and academic writing. It introduces a dependent clause that specifies the method, rule, or principle by which something is created or defined. Ludwig confirms its correct usage.
Frequent in
Science
40%
Academia
30%
News & Media
20%
Less common in
Formal & Business
10%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "established by which" is a grammatically correct connector primarily employed in formal and academic contexts to specify the means or criteria by which something is created or defined. Ludwig AI confirms the validity of the phrase, though its usage is relatively uncommon, with examples concentrated in scientific and academic domains. When writing, it's important to ensure the context clearly defines both the subject being established and the specific means of its establishment to prevent ambiguity. Simpler alternatives may be more appropriate for informal writing styles.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
defined by which process
Substitutes "established" with "defined" and "which" with "process" for emphasis on a specific procedure.
determined by what means
Replaces "which" with "what means" to specify the method of determination.
governed by what principles
Replaces "established" with "governed" and "which" with "principles" to highlight guiding rules.
created through which mechanism
Uses "created" instead of "established" and emphasizes the mechanical aspect with "mechanism".
founded on which basis
Emphasizes the foundational aspect of the establishment.
implemented under what system
Replaces "established" with "implemented" and highlights the organizational aspect with "system".
originated through which avenue
Highlights the channel or means through which something was established.
set up by what methodology
Replaces "established" with "set up" for a more informal tone, focusing on the methodology employed.
constituted by what arrangements
Focuses on the specific arrangements that led to the establishment of something.
brought about by what instrument
Focuses on the tool or device used to bring about the establishment.
FAQs
How can I use "established by which" in a sentence?
Use "established by which" to indicate that something was created or defined through a specific method or set of rules. For example, "The process was "defined by" specific guidelines."
What are some alternatives to "established by which"?
Alternatives include phrases like "created by", ""defined by"", or "determined by", depending on the specific nuance you want to convey.
Is it more appropriate to use "established by which" or "established through which"?
"Established by which" and "established through which" can often be used interchangeably, but "established by which" tends to emphasize the defining criteria, while "established through which" focuses on the process or means. Choose the phrase that best fits the context.
What's the difference between "established by which" and "established by what"?
"Established by which" implies a more formal and structured approach, whereas "established by what" is more direct and can be suitable in less formal contexts. The choice depends on the desired level of formality and specificity.
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
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested