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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
well known problem
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "well known problem" is correct and usable in written English.
It can be used to refer to an issue or challenge that is widely recognized and acknowledged within a particular field or context. Example: "The well known problem of climate change requires urgent action from governments and individuals alike."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(2)
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
8 human-written examples
However, oxygen depletion during PDT is a well known problem.
"This is a well known problem, but it continues to get worse.
News & Media
G+C sequence bias is a well known problem in cDNA profiling studies [42], [43].
Science
This is a well known problem, usually addressed via an iterative strategy.
Science
A well known problem of bacterial expression systems is the proper formation of disulfide bridges.
Science
A well known problem in applying microarrays in classification problem is dimension of obtained datasets.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
The lack of availability of appropriate medicines for children is an extensive and well known problem.
Science
That's a slick approach to a well-known problem.
News & Media
This is the well-known problem of parameter identifiability.
It different from alternative approaches to this well-known problem by allowing for setup cost indivisibilities.
Academia
As example, the well-known problem for a homogeneous layer is studied.
Expert writing Tips
Best practice
When using "well known problem", ensure that the context clearly establishes that the problem is indeed widely recognized within the relevant field or audience. This avoids ambiguity and strengthens your argument.
Common error
Avoid using "well known problem" when addressing a general audience or when the problem is specific to a niche field. Instead, provide context or evidence to support the claim that the problem is widely recognized.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "well known problem" functions as a noun phrase, where "well known" acts as a compound adjective modifying the noun "problem". Ludwig's examples showcase its usage to introduce an issue recognized within a certain domain.
Frequent in
Science
60%
News & Media
20%
Academia
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "well known problem" is a grammatically sound and recognizable way to introduce a pre-existing issue or difficulty. As confirmed by Ludwig AI, it is most frequently found in science, news, and academic contexts. When using the phrase, ensure the issue is indeed widely known within the intended audience to avoid ambiguity. Alternatives such as "widely recognized issue" or "commonly acknowledged challenge" can be used to provide a slightly different nuance. Recognizing common errors, like assuming universal knowledge, can help ensure the phrase is used effectively and appropriately.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
widely recognized issue
Replaces "problem" with a more neutral term, "issue", and "well known" with "widely recognized".
commonly acknowledged challenge
Substitutes "problem" with "challenge", framing it as something to overcome, and replaces "well known" with "commonly acknowledged".
established issue
Focuses on the issue being 'established', or long-standing, instead of 'well known'.
recognized difficulty
Uses "difficulty" instead of "problem" to soften the negative connotation, and "recognized" as a synonym for "known".
acknowledged concern
Replaces "problem" with "concern", highlighting the worry associated with the issue, and uses "acknowledged" as a synonym.
prevalent issue
Emphasizes the widespread nature of the issue with the term 'prevalent'.
familiar difficulty
Uses "familiar" to convey the sense of being "well known" and uses "difficulty" as a replacement for problem.
ubiquitous challenge
Highlights the pervasiveness of the "challenge", suggesting it's everywhere.
longstanding predicament
Emphasizes the duration of the problem as a "longstanding predicament".
pervasive difficulty
Stresses the widespread nature and the intractability of the problem as a 'pervasive difficulty'.
FAQs
How can I use "well known problem" in a sentence?
You can use "well known problem" to introduce an issue that's widely recognized in a specific field. For example, "Oxygen depletion during PDT is a "well known problem" in photodynamic therapy".
What are some alternatives to "well known problem"?
Alternatives include "widely recognized issue", "commonly acknowledged challenge", or "established issue", depending on the nuance you wish to convey.
Is it always appropriate to use the phrase "well known problem"?
It is appropriate if the problem is indeed widely recognized among your target audience. Otherwise, it's better to provide more context. Avoid assuming everyone is familiar with the issue.
What is the difference between "well known problem" and "emerging problem"?
"Well known problem" refers to an issue that has been recognized for some time, while "emerging problem" describes a new or recently identified issue.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested