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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is already known

Grammar usage guide and real-world examples

USAGE SUMMARY

"is already known" is a grammatically correct and usable phrase in written English.
You can use this phrase when referring to information that is no longer a mystery or secret, and has already been made public. For example: The chemical composition of the newly discovered mineral is already known.

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Yet the main reason is already known.

News & Media

The Economist

The outcome is already known.

The information is already known to experts.

"Besides, everything about me is already known.

News & Media

The New York Times

Wiggins's use of triamcinolone is already known.

It is already known but not frequently used.

and it is already known to the Tribunal.

Understanding what is already known is essential to avoid duplication.

News & Media

The Guardian

But there is no forgetting what is already known.

Still, even without such testimony, much is already known.

News & Media

The New York Times

Seismic base isolation as seismic protection technology is already known and its development continues to grow.

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Expert writing Tips

Best practice

Use "is already known" to efficiently introduce information that has been previously established or widely recognized, avoiding unnecessary repetition or lengthy explanations.

Common error

Avoid using "is already known" when the context clearly implies existing knowledge. For example, stating "The sky is blue, as is already known" is redundant; simply stating "The sky is blue" is more effective.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is already known" functions as a discourse marker to indicate that the information being presented is not novel. Ludwig's examples demonstrate its use in various contexts to acknowledge established knowledge before introducing related details or arguments.

Expression frequency: Common

Frequent in

Science

42%

News & Media

38%

Academia

20%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "is already known" is a versatile tool for acknowledging established information across diverse contexts. As confirmed by Ludwig, it's grammatically sound and commonly used in science, news, and academic writing. While effective for providing context, be mindful of potential redundancy in obvious situations. Consider alternatives like "is previously established" or "is common knowledge" to enhance clarity and precision in your writing. By using it judiciously, you can ensure that your message builds effectively upon existing understanding.

FAQs

How can I use "is already known" in a sentence?

You can use "is already known" to introduce or preface a statement that has been previously established. For example, "The link between smoking and lung cancer "is already known", so public health campaigns focus on prevention."

What can I say instead of "is already known"?

You can use alternatives like "is previously established", "is common knowledge", or "has been established" depending on the specific context.

When is it appropriate to use "is already known"?

It is appropriate to use "is already known" when you want to acknowledge that a piece of information is not new or surprising, often to set the stage for discussing new developments or nuances related to that information.

Is it redundant to use "is already known" when something is obvious?

Yes, using "is already known" when the information is extremely obvious can be redundant. In such cases, it's best to state the information directly without the preface.

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Real-world application tested

Most frequent sentences: