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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
which exists for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which exists for" is correct and usable in written English.
It can be used to indicate the purpose or reason for the existence of something. Example: "The organization has a mission statement which exists for guiding its members in their decision-making processes."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
30 human-written examples
Also, rather than combine WTP values with a pre-existing tariff (such as that which exists for the EQ-5D quality of life system), we wanted our own respondents to provide health state utility values that could be combined with their own WTP values for purposes of internal consistency.
Science
But there is no national system to track such patients, they say, no central database like that which exists for other diseases.
News & Media
Besides Vichy, which exists for government sake, there are only five other cities, which, for any reason at all, are alive in Unoccupied France.
News & Media
At its best, this fearless do-it-yourself aesthetic, which exists for reasons both artistic and economic, leads to wonderfully rich, unmediated worlds in which artists' ideas drive new creations.
News & Media
But Keynes freaks are helped along by the biography, which exists, for hard-core addicts, in three stout volumes, but has recently been released in a shorter, 1,000-page single-volume version.
News & Media
Very few of the hundreds of millions of vehicles out there can operate on natural gas.Presumably, there is some price ratio at which natural gas would become the preferred fuel option for drivers, but that ratio would have to be large enough to cover the cost of investment in an entirely new fuel delivery infrastructure, to parallel the one which exists for petrol.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
30 human-written examples
The rule does not apply to modern "super PACs," which exist for political purposes and must disclose their donors.
News & Media
They are able to cause apparently impossible things to happen merely because they are no longer confined by the barriers which exist for more ordinary people".
News & Media
It was as if he were arriving at the center of the sea itself, a strange country, which existed for only a few hours a day.
News & Media
In vocal and instrumental chamber ensemble performance, the performing groups are divided into duets, trios, quartets, quintets, sextets, septets, and octets, which exist for every medium and combination.
Encyclopedias
The primary goal of these so-called preventoriums, which existed for 30 years, was to keep tuberculosis from infecting children, who were considered at high risk because their parents, many of them immigrants, had the illness.
News & Media
Expert writing Tips
Best practice
Consider using a more direct synonym like "that serves as" for brevity, especially in formal writing.
Common error
Avoid using "which exists for" in very simple sentences where the purpose is obvious. A more concise phrasing enhances readability. For example, instead of "a tool which exists for cutting wood", use "a woodworking tool".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which exists for" functions as a relative clause, specifically a non-restrictive clause, that provides additional information about the noun it modifies. It clarifies the purpose or reason for the existence of the noun. As Ludwig AI shows, this is a common construction across diverse sources.
Frequent in
Science
35%
News & Media
32%
Encyclopedias
12%
Less common in
Formal & Business
9%
Wiki
6%
Reference
6%
Ludwig's WRAP-UP
In summary, the relative clause "which exists for" serves to explain the purpose or intended function of a noun. Ludwig AI confirms that this phrase is grammatically sound and frequently employed across a wide range of contexts, including science, news, and encyclopedias. While suitable for both formal and informal writing, more concise alternatives may enhance clarity in specific instances. Keep in mind to directly link the purpose with the modified noun and avoid redundancy in simple sentences. As the data shows, it is often used to introduce the reason for the presence of a particular entity or system.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that exists to
Changes the relative pronoun and preposition for a more direct expression of purpose.
that serves as
Emphasizes the function or role something fulfills.
that is intended for
Highlights the intended use or recipient.
that is designed for
Focuses on the design or planning behind something's existence.
whose purpose is to
Explicitly states the purpose.
that has been created for
Highlights the creation or development process.
that is there to
Offers a more informal way of expressing purpose.
which is meant to
Indicates intention or expectation.
that is used for
Focuses on the practical application of something.
that is responsible for
Indicates a duty or obligation.
FAQs
How can I use "which exists for" in a sentence?
Use "which exists for" to define the purpose or reason for something's existence, adding specific details. For example, "The organization has a mission statement "which exists for" guiding its members" provides a context.
What are some alternatives to "which exists for"?
Alternatives include "that serves as", "that is intended for", or "whose purpose is to". The best choice depends on the specific nuance you want to convey.
Is "which exists for" formal or informal?
"Which exists for" is suitable for both formal and informal writing, though more concise alternatives like "that serves as" may be preferred in highly formal contexts to ensure brevity and directness.
When should I avoid using "which exists for"?
Avoid using "which exists for" when the purpose is already obvious or can be stated more directly. Redundancy can weaken your writing; opting for more concise alternatives strengthens clarity.
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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