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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
is a well-known fact
Grammar usage guide and real-world examplesUSAGE 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
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
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.
Science
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
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.
Science
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
It is a well known fact that Elle Fanning is a certified fashion plate.
News & Media
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.
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.
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.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is common knowledge
Emphasizes that the information is generally known.
is well-established
Indicates something is firmly recognized and accepted.
is generally accepted
Stresses the widespread agreement on a particular point.
is universally acknowledged
Highlights that the fact is recognized by everyone.
is widely recognized
Focuses on the broad acknowledgement of something.
is a recognized truth
Focuses on the acknowledgement of something as being factual.
is an established truth
Implies that the fact has been proven or confirmed.
is a given
Suggests the information is something that is assumed or presupposed.
is beyond dispute
Indicates that the fact is not subject to argument or disagreement.
is a matter of public record
Highlights that the information is officially documented and accessible.
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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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested