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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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it is not established

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "it is not established" is correct and usable in written English.
You can use it when indicating that something has not been confirmed, proven, or recognized. Example: "The effectiveness of the new treatment is still in question, as it is not established whether it works for all patients."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

36 human-written examples

"It is not established that Mr Lee deliberately lost a match when he could and should have won it.

To begin with, Dr. McCrory said, it is not established that athletes will be harmed even if they suffer several concussions in their careers.

Nikolai Sapozhkov, a senior FSB officer, said the investigation was not over "because it is not established so far if these people were the masterminds or just staged the act of terrorism".

News & Media

Independent

"The commission's investigation confirmed that even a customer such as Apple continues to launch new digital music services and that it is not established that it could defeat price increase or other types of worsening of licensing terms by Universal," said the commission.

News & Media

The Guardian

In contrast to immunocompromised patients in whom treatment is crucial, it is not established that immunocompetent patients require therapy.

Despite many efforts, it is not established whether betaretroviruses, exo- or endogenous, are involved in the etiology of breast cancer, or other cancer diseases, in humans.

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Human-verified similar examples from authoritative sources

Similar Expressions

24 human-written examples

Nato insists that it is not establishing new permanent bases closer to Russian soil (and thus it, unlike Moscow, is respecting the Nato-Russia Founding Act).

News & Media

BBC

It's a step that we would argue should be obvious, but it isn't established.

News & Media

Huffington Post

It was not established by the citizens themselves".

News & Media

The New York Times

It existed between 1949 and 1967; it was not established after the 1967 war.

News & Media

The New York Times

It was not established that the information he downloaded was classified.

News & Media

The New York Times
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Expert writing Tips

Best practice

Follow the phrase with specific details outlining what aspects are uncertain or require further investigation, strengthening your argument and providing context for the reader.

Common error

Avoid presenting claims as definitively true when using "it is not established". Clearly indicate that further research is needed or that the information is subject to change to avoid misleading the reader.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "it is not established" functions as a declarative statement expressing uncertainty or a lack of definitive proof. This construction is used to introduce topics or findings where conclusive evidence is lacking. Ludwig provides examples where this phrase highlights the need for further research or clarification.

Expression frequency: Common

Frequent in

Science

73%

News & Media

21%

Wiki

6%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "it is not established" serves as a critical tool for expressing uncertainty and acknowledging limitations in current knowledge. According to Ludwig, it is grammatically sound and frequently used across diverse sources, particularly in science, news, and wiki contexts. To enhance your writing, use this phrase to present information objectively, indicate what is uncertain, and provide context. By being mindful of these guidelines, you can use "it is not established" effectively in your writing.

FAQs

How can I use "it is not established" in a sentence?

Use "it is not established" to indicate that something lacks confirmation or proof. For example, "It is not established whether this new treatment is effective for all patients".

What can I say instead of "it is not established"?

You can use alternatives like "it remains unproven", "it has not been proven", or "it is not yet clear" depending on the specific context.

Which is correct, "it is not established" or "it isn't established"?

Both "it is not established" and "it isn't established" are grammatically correct, with the latter being a contraction of the former. The choice depends on the desired level of formality.

What's the difference between "it is not established" and "it is not known"?

"It is not established" implies that there hasn't been sufficient evidence or confirmation, whereas "it is not known" simply means the information is currently unavailable or undiscovered.

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Source & Trust

83%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: