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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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an established fact

Grammar usage guide and real-world examples

USAGE SUMMARY

"an established fact" is correct and usable in written English.
You can use it in a sentence when you want to emphasize that someone has already confirmed the accuracy of a statement. For example: "It is an established fact that the Earth travels around the sun every year."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"That's an established fact.

News & Media

The New York Times

Is this an established fact?

News & Media

The New York Times

That was now an established fact.

News & Media

The New Yorker

That must not be considered an established fact.

News & Media

The New York Times

Within two years of second world war's end, the cold war was an established fact.

News & Media

The Guardian

In fact, the technology has been around for years, and its efficacy is an established fact.

News & Media

The New Yorker

It's an established fact that sacking the manager is no guarantee of improved performance.

"Everyone thinks it's an established fact," he added, "so they don't study it".

I will say this as an established fact: Hitler is unqualified to be Führer.

News & Media

The New Yorker

De Botton has moved from a rhetorical question to an established fact in one sentence.

Otherwise, he said, "It could give the wrong impression that this was an established fact".

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "an established fact" to introduce information that is widely accepted and supported by evidence, lending credibility to your statement.

Common error

Avoid using "an established fact" too frequently in your writing, as it can sound repetitive and pretentious. Opt for simpler phrasing when appropriate.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "an established fact" functions as a noun phrase that typically serves as a subject complement or appositive. It introduces information that is considered to be definitively true and widely accepted. Ludwig AI confirms that it is correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

47%

Science

30%

Encyclopedias

2%

Less common in

Formal & Business

2%

Reference

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "an established fact" is a frequently used and grammatically correct phrase that indicates something definitively known and widely accepted. Ludwig AI confirms its validity. It is most commonly found in news, scientific, and encyclopedic contexts. To use it effectively, ensure that the information you are presenting truly meets the criteria of being "established" and avoid overusing the phrase to maintain a natural and credible tone in your writing. Consider alternatives like "a proven fact" or "a known fact" for variety.

FAQs

How can I use "an established fact" in a sentence?

You can use "an established fact" to introduce a statement that is widely accepted and supported by evidence. For example, "It is "an established fact" that regular exercise benefits cardiovascular health".

What are some alternatives to "an established fact"?

Some alternatives include "a proven fact", "a known fact", or "an undeniable fact", depending on the nuance you want to convey.

Is it always appropriate to use "an established fact"?

While generally appropriate, avoid using "an established fact" if the information is not genuinely widely accepted or has limited supporting evidence, as it can undermine your credibility.

What's the difference between "an established fact" and "a theory"?

"An established fact" refers to something proven true, while "a theory" is an explanation based on evidence but not definitively proven. Using ""an established fact"" implies a higher degree of certainty.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: