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
it is already documented
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is already documented" is correct and usable in written English.
You can use it when referring to information or procedures that have been recorded or noted down previously. Example: "Before we proceed with the project, please note that it is already documented in the project guidelines."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
it is also done
it has been completed
it is indeed done
it is already scheduled
it's already done
it is complete
it's common knowledge
it is actually done
it is currently done
it is already recorded
it is common knowledge
it's finished
it is just done
the task is complete
it is taken care of
it is settled
it's all wrapped up
it is now done
it is really done
it is resolved
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
5 human-written examples
It is already documented in animal research that some man-made nanoparticles can move easily into the brain and deep into the lungs.
News & Media
It is already documented that arsenic affects higher cognitive functions, which develop with increasing age, but the effects can be detected in the first 7 months (3, 7).
Science
It is already documented that chronic arsenic exposure causes hypertension [ 29- 34] and there are many biologically plausible routes for this.
Science
It is already documented that high arsenic concentration in drinking water has an effect on the adult population, but recently has heavily affected neonates and children and their cognitive function.
Science
We would note that it is already documented to repair mitochondrial structure-function, extracellular matrix integrity and myocardial contractile machinery via restoration of myocardial copper-catalysed anti-oxidant defences.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Natural RNA populations harbor large degrees of diversity regarding sequence composition, as it was already documented in the first systematic genetic analyses performed on viral quasispecies.
Science
Much of this is already documented, but Weiss shows that in the US, Greenspan has successfully airbrushed history.
News & Media
The lethal effect of DNA compaction from an artificial overexpression of a nucleoid protein H-NS, in E.coli is already documented [18].
Science
That such integrated, life-style interventions work in the developing country settings is already documented (37).
Science
The occurrence of radial FLB type was already documented in plesiosaurs [25] and very recently also in Pistosaurus [26], making it very likely that FLB type occurs through the entire clade and had also developed in Cymatosaurus.
Science
Such cases of overparameterisation were already documented in similar comparisons involving the kinfit package [17].
Expert writing Tips
Best practice
Use "it is already documented" to efficiently refer to established facts or procedures, avoiding the need to re-explain or re-prove them.
Common error
Avoid using "it is already documented" without giving context or referencing the source of the documentation. This can make your statement vague and less credible. Instead, provide a brief summary or citation to support your claim.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is already documented" serves as an introductory element in a sentence, indicating that the information following it is not new or speculative but rather something that has been previously recorded and established. Ludwig confirms this usage.
Frequent in
Science
75%
News & Media
13%
Formal & Business
12%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "it is already documented" is a useful tool for indicating that information is established and verifiable. As confirmed by Ludwig, it functions as an introductory element providing credibility and often appears in formal contexts such as scientific papers and news reports. While the phrase itself is grammatically correct and suitable for writing, remember to provide context or sources to enhance its impact. Related phrases include "it's previously recorded" and "it has been established", offering alternative ways to convey the same meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it's previously recorded
Replaces "documented" with "recorded" and "already" with "previously".
it's been previously established
Uses "established" instead of "documented", adding a sense of confirmation.
it's a matter of public record
Shifts the focus to the accessibility of the information as a public record.
the record already shows
Rephrases the sentence to emphasize what the record indicates.
there's existing evidence of this
Emphasizes the availability of evidence supporting a claim.
it's common knowledge
Indicates widespread awareness of the information.
this has been well-chronicled
Uses "chronicled" to suggest a detailed historical record.
there's ample proof available
Focuses on the abundance of proof rather than documentation.
it's not a secret
Highlights the openness and lack of concealment of the information.
the facts speak for themselves
Implies the documentation is so clear it needs no further explanation.
FAQs
How can I use "it is already documented" in a sentence?
Use "it is already documented" to refer to facts or information that has been previously recorded or established. For example, "it is already documented that regular exercise improves cardiovascular health".
What are some alternatives to "it is already documented"?
Alternatives include "it is previously recorded", "it is common knowledge", or "it has been established depending on the context.
Is it necessary to provide a source after stating "it is already documented"?
While not always mandatory, providing a source after stating "it is already documented" enhances credibility and allows readers to verify the information. It is a good practice, especially in academic or professional writing.
What is the difference between "it is already documented" and "it is well-known"?
"It is already documented" implies that the information has been formally recorded or proven, while "it is well-known" suggests that the information is widely recognized, though not necessarily formally documented.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested