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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 a well-known fact

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "is a well-known fact" is correct and usable in written English.
You can use it to refer to something that is widely accepted as true and is common knowledge. For example, "It is a well-known fact that the Earth revolves around the Sun."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

53 human-written examples

However, it is a well-known fact that the KLT is 'case sensitive'.

It is a well-known fact that attention is crucial for driving a car.

The existence of traveling-wave solutions for the equation under consideration is a well-known fact.

It is a well-known fact that the concrete drying process is a slow phenomenon.

It is a well-known fact that flaws (cracks) are inevitably present in most structures.

It is a well-known fact that Shakespeare is a Palestinian.

News & Media

The Guardian
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Human-verified similar examples from authoritative sources

Similar Expressions

7 human-written examples

The damage produced by UV-C radiation (100 280nm) in organisms and cells is a well known fact.

Islamic propaganda and discursive formations are rampant on the internet; this is a well known fact.

It is a well known fact that it is a NP-hard problem [11].

It is a well known fact that animals undergo tremendous emotional and physical suffering when killed.

News & Media

HuffPost

It is a well known fact that Elle Fanning is a certified fashion plate.

News & Media

Huffington Post
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Expert writing Tips

Best practice

Use "is a well-known fact" to introduce information widely accepted as true, providing a foundation for further discussion or analysis. However, avoid overuse to maintain writing impact.

Common error

Avoid starting multiple sentences or paragraphs with "is a well-known fact." This can make your writing repetitive and less engaging. Instead, vary your sentence structure and use more direct statements or different introductory phrases.

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 "is a well-known fact" functions as an introductory device to signal that the subsequent statement is widely accepted or considered common knowledge. Ludwig AI indicates that it's a grammatically sound way to preface a statement.

Expression frequency: Very common

Frequent in

Science

52%

News & Media

40%

Wiki

3%

Less common in

Formal & Business

3%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "is a well-known fact" is a common and grammatically correct way to introduce statements that are widely accepted as true. It's frequently used in both scientific and news contexts to establish a shared understanding, as demonstrated by Ludwig. While it's a useful phrase, avoid overuse to maintain the impact of your writing. Ludwig AI confirms its grammatical correctness and usability.

FAQs

How can I use "is a well-known fact" in a sentence?

You can use "is a well-known fact" to introduce information that is widely accepted or common knowledge. For instance, "It "is a well-known fact" that exercise is beneficial for health."

What are some alternatives to "is a well-known fact"?

Alternatives include phrases like "is common knowledge", "is widely recognized", or "is generally accepted", depending on the specific nuance you want to convey.

Is it correct to use "is a well-known fact that" at the beginning of a sentence?

Yes, it is grammatically correct to start a sentence with "is a well-known fact that". It's a common way to introduce information that is generally understood to be true.

What's the difference between "is a well-known fact" and "is a proven fact"?

"Is a well-known fact" implies that something is widely recognized, while "is a proven fact" suggests that something has been verified with evidence. The former relies on general knowledge, while the latter relies on verification.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: