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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
as established previously
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as established previously" is correct and usable in written English.
It can be used to refer back to information or conclusions that have already been mentioned earlier in the text. Example: "The results of the experiment align with the hypothesis, as established previously in our discussion."
✓ Grammatically correct
Science
Alternative expressions(20)
as explained previously
as established earlier
as described previously
as outlined above
as demonstrated previously
as documented previously
as mentioned earlier
as proven previously
as discovered previously
as done previously
as reported previously
as mentioned before
as recorded previously
as indicated earlier
previously established
as shown before
as discussed previously
as characterized previously
as determined previously
as implemented previously
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
21 human-written examples
As established previously for drug target data, few drugs are active on many more targets than average while a large number of drugs are active on much fewer targets [8, 9].
Science
For detergent-free biochemical characterization of these assemblies, we immunoisolated TCR signaling domains from sterol-loaded Jurkat cells and analyzed them by immunoblotting as established previously [30].
Science
Relative hydroxyproline (µg/g liver) was then quantified photometrically at 558 nm and total hydroxyproline (mg/whole liver) was calculated based on individual liver weights and the corresponding relative hydroxyproline content from representative liver samples, as established previously [57], [58].
Science
This involved use of a double inactivation procedure as established previously for H5N1 vaccines in order to ensure an extremely high margin of safety for this highly pathogenic virus [8] [10].
Science
As established previously [ 31], the strongest positive significant correlation was found to be between total phenolics and total flavonoids.
Myoepithelial cells were defined as CD49fhi CD24int, whereas luminal epithelial cells were CD49fint CD24hi, as established previously [ 31- 33].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
Subcutaneous tumour growth was established as previously described [3].
Science
The CS model was established as previously reported [12].
Science
Trigeminal ganglia cell culture was established as previously described by our group [8].
Primary cultures of fibroblasts were established as previously described [40].
Science
3d mice were established as previously (MMRRC: 010466-UCD) [45].
Science
Expert writing Tips
Best practice
When using "as established previously", ensure that the information you're referencing has indeed been clearly and explicitly stated earlier in the document or in a cited source. Avoid ambiguity by providing a specific reference when possible.
Common error
Avoid using "as established previously" without providing context or a specific citation. Readers may not recall or be familiar with the previously established information, leading to confusion or misinterpretation.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as established previously" functions as an adverbial phrase, modifying a verb or clause to indicate that the information being presented has been confirmed or proven earlier. This phrase is used to provide context and reference to prior knowledge, streamlining the current argument, as confirmed by Ludwig.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "as established previously" is a grammatically sound and frequently employed adverbial phrase, predominantly found in scientific and academic contexts. Ludwig confirms its correctness and usability. It serves to link present information to prior knowledge, building credibility and reinforcing arguments. While generally formal, its effectiveness hinges on clear and unambiguous references to the previously established information. Alternatives such as "as demonstrated earlier" or "as mentioned before" can be used depending on the context and desired level of formality. The phrase's usage highlights the importance of citing sources and ensuring readers can easily verify the referenced information.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
previously established
Inverts the word order, which changes the emphasis without altering the fundamental meaning.
as demonstrated earlier
Replaces "established" with "demonstrated", emphasizing a visual or empirical proof.
as shown before
Uses "shown" for a simpler, more direct reference to prior evidence.
as proven previously
Substitutes "established" with "proven", highlighting a conclusive result.
as indicated earlier
Replaces "established" with "indicated", suggesting a less definitive but still relevant prior mention.
as mentioned before
Uses "mentioned" to refer to a previous statement, which might be less formal than a fully established fact.
as discussed previously
Changes "established" to "discussed", implying that the topic was covered in a prior conversation or document.
as outlined above
Specifies that the information was presented earlier in the current document, using "outlined" to suggest a structured presentation.
as documented previously
Highlights that the information is supported by existing documentation.
ascertained in the past
Replaces the original phrase with a more formal version, using synonyms for a higher level of academic tone.
FAQs
How can I use "as established previously" in a sentence?
You can use "as established previously" to refer back to a concept, method, or result that has already been introduced or proven, like this: "The new method improves efficiency, "as established previously", leading to reduced costs".
What are some alternatives to "as established previously"?
Alternatives include "as mentioned earlier", "as shown before", or "as discussed previously". The best choice depends on the specific context and the level of formality required.
Is "as established previously" formal or informal?
"As established previously" leans towards the formal side, often appearing in academic or technical writing. For more informal contexts, consider using phrases like "as we've seen" or "as I said before".
Is it necessary to provide a citation after using "as established previously"?
While not always mandatory, providing a citation after using "as established previously" strengthens your argument and allows readers to verify the information. It's especially important in academic and scientific writing to maintain credibility.
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested