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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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are firmly established

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "are firmly established" is correct and usable in written English.
It can be used to indicate that something is well-founded or securely set in place, often in a formal or academic context. Example: "The principles of democracy are firmly established in our constitution, ensuring the protection of individual rights."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Now it's true that some equations are firmly established.

News & Media

Independent

Today Linux (and Linux-related products) are firmly established in enterprises, consumer devices, and cloud computing.

It is much easier to eradicate the LFA from recently invaded sites than from areas where they are firmly established.

Her style -- spare, tough, unflinching -- and her subject matter -- the thorny issue of women's desire -- are firmly established.

Once these are firmly established, the different geometries that may be used to achieve the desired performance are examined.

Biophysics and the intimately related subject molecular biology now are firmly established as cornerstones of modern biology.

Martin's credentials as a trainer are firmly established, and he has a well-earned reputation for planning and executing significant betting coups.

"There are firmly established rules preventing the use of public office, such as our ambassadors, for private gain, no matter how worthy a cause," the cable said.

News & Media

The Guardian

But most are firmly established here for good commercial reasons that have nothing to do with the rate of corporation tax.

When analysing data from computationally expensive simulation codes or process measurements, surrogate modelling methods are firmly established as facilitators for design space exploration, sensitivity analysis, visualisation and optimisation.

Builders who believe the market has turned are preparing sites now in the hopes their projects will come online when higher rents are firmly established.

News & Media

The New York Times
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Expert writing Tips

Best practice

Use "are firmly established" when you want to emphasize that something is not just established, but also stable, secure, and unlikely to change. This phrase is especially effective in formal writing and academic contexts.

Common error

Avoid using "are firmly established" in casual or informal writing. Opt for simpler alternatives like "are well-known" or "are common" to maintain a more natural tone.

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

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "are firmly established" functions as a predicate adjective, describing the state of a subject as being securely and definitively in place. Ludwig indicates that it is grammatically correct and usable in written English. It often appears to express that certain principles, practices, or entities have become well-founded and unlikely to change.

Expression frequency: Very common

Frequent in

Science

43%

News & Media

38%

Encyclopedias

5%

Less common in

Formal & Business

4%

Wiki

3%

Reference

0%

Ludwig's WRAP-UP

The phrase "are firmly established" is a grammatically correct and frequently used expression to indicate that something is securely in place and well-recognized. As Ludwig AI confirms, it is suitable for formal and academic contexts where precision and certainty are valued. While highly prevalent in scientific and news-related content, its use should be moderated in informal writing where simpler alternatives might be more appropriate. Consider alternatives like "are well established" or "are securely established" to convey similar meanings with potentially different nuances.

FAQs

How can I use "are firmly established" in a sentence?

The phrase "are firmly established" indicates that something is securely in place and well-recognized. For instance, "The principles of democracy "are firmly established" in the constitution".

What are some alternatives to "are firmly established"?

You can use alternatives like "are well established", "are securely established", or "are deeply rooted" depending on the desired nuance.

Is it appropriate to use "are firmly established" in informal writing?

While grammatically correct, "are firmly established" is more suitable for formal or academic writing. In informal contexts, consider using simpler alternatives such as "are well-known" or "are common".

What's the difference between "are firmly established" and "are well established"?

"Are firmly established" suggests a stronger degree of stability and security compared to "are well established". The former implies a more robust and enduring foundation.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: