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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
by the extant
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by the extant" is not correct in English and does not convey a clear meaning.
If you meant to use "extant," it typically refers to something that still exists or is currently in existence, but it is not commonly used in this context. Example: "The extant documents from the 18th century provide valuable insights into the historical context."
⚠ May contain grammatical issues
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
28 human-written examples
If reviewers in a given field are more likely to make erroneous claims (statements contradicted by the extant literature) about data that are outside their field of expertise, than about data within their field, this constitutes field-bias.
Science & Research
It is supported by the extant literature on consumer stakeholders, corporate brands, brand personality, regulatory fit, and psychological contract, as well as by punishment in psychology and philosophy, which are new to the marketing literature.
Science
Perhaps the most widely recognized Mexican art form is the mural, which is heavily influenced by the extant art and architecture of the Aztec, Maya, and other pre-Columbian civilizations.
Encyclopedias
ISTCs have introduced new routines unencumbered by the extant norms of professional communities, but they appear to represent weaker learning environments and do not reproduce cooperation across organisational boundaries to the same extent as incumbent NHS providers.
Science
The relationship of the various forms of Sogdian to one another has not yet been sufficiently investigated, so that it is not clear whether different dialects are represented by the extant material or whether the differences can be accounted for by reference to other relevant factors, such as differences of script, period, subject, style, or social milieu.
Encyclopedias
To be succinct, the proposed SC protocol can not only work in dynamic networks consisting of both dormant processors and malicious processors (dual failure mode) but also ensure that all correct processors reach a SC value within fewer rounds of message exchange than required by the extant SC protocols.
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
This paper clarifies the concept of productisation by surveying the extant literature and reporting the origins, characteristics, benefits and features along with aiming to support future work.
To this end, the synthesis seeks to stimulate research investigating the implications of geographically distributed work arrangements in auditing, by surveying the extant literature within the management and social psychology disciplines and developing eighteen research questions for future audit research to consider.
This paper aims to consolidate all parts of the proverbial elephants by reviewing the extant literature for university/PRI impact studies, analysing and synthesising the erstwhile disparate studies, discussing the current metrics and their issues and identifying gaps among the different research strands.
Science
Because the ink employed in the seventh century was metal based, a residue remained that can now be read by subjecting the extant parchment to infrared photography.
News & Media
During this period in history, Jewish circumcision called for the removal of only a part of the prepuce, and some Hellenized Jews attempted to look uncircumcised by stretching the extant parts of their foreskins.
Wiki
Expert writing Tips
Best practice
Avoid using "by the extant". Instead, use phrases like "according to existing research" or "based on current data" for clearer and more accurate communication.
Common error
The word "extant" means currently existing. Using "by the extant" is grammatically incorrect. Ensure you use a proper preposition or article to create a grammatically sound phrase, such as "according to extant literature."
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by the extant" is grammatically incorrect. The word "extant" is an adjective meaning 'still in existence; surviving'. As per Ludwig, it cannot be preceded by the preposition "by" without a noun to modify. The correct usage involves using "extant" as an adjective directly modifying a noun, such as "extant literature".
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
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Formal & Business
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Ludwig's WRAP-UP
In summary, the phrase "by the extant" is grammatically incorrect and should be avoided. Ludwig's analysis confirms this assessment, highlighting the misuse of the adjective "extant". Correct alternatives include phrases like "according to existing research" or "based on current data", ensuring clear and accurate communication. Using "extant" correctly typically occurs in formal and scientific writing, where it modifies a noun to indicate something that currently exists. Always ensure proper grammatical structure when incorporating "extant" into your writing to avoid misinterpretations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
according to existing
Replaces "extant" with "existing", clarifying that the reference is to what currently exists.
based on current
Emphasizes the present time frame, indicating reliance on what is available now.
following the present
Highlights adherence to the current state or situation.
using available
Focuses on the resources or information that are accessible at the moment.
in accordance with the existing
Formalizes the connection to currently present conditions or items.
in light of what exists
Emphasizes consideration of the current reality or circumstances.
considering the current
Focuses on taking into account the present situation or resources.
relying on present
Highlights the dependence on what is currently available or known.
given the existing
Indicates that something is being done or understood because of the current conditions.
taking into account the present
Stresses the act of considering the current situation when making a decision or assessment.
FAQs
What does "extant" mean, and how should it be used correctly?
"Extant" means currently existing. It should be used as an adjective before a noun, such as "extant research" or "extant species". Avoid using the phrase "by the extant", which is grammatically incorrect.
What phrases can I use instead of the incorrect phrase "by the extant"?
Instead of "by the extant", use phrases like "according to "existing research"", "based on "current data"", or "relying on "available information"" depending on the context.
Is "by the extant" ever grammatically correct?
No, the phrase "by the extant" is not grammatically correct in standard English. The word "extant" is an adjective and needs a noun to modify. Using "by" before it creates an ungrammatical construction.
How can I ensure I'm using "extant" correctly in my writing?
Always use "extant" as an adjective followed by a noun. For example, "the "extant literature"" or "extant species". Double-check your sentence structure to avoid using prepositions like "by" directly before "extant".
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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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested