Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
an instance whereas
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an instance whereas" is not correct in standard written English.
The word "whereas" is typically used to contrast two clauses, and it does not fit well with "an instance" in this context. Example: "There is an instance where the results differ significantly from the expected outcomes."
⚠ May contain grammatical issues
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
1 human-written examples
In EC2 terminology, a running virtual CPU is called a Virtual Machine Instance (VMI) or just an instance whereas the frozen bundle of software on disk that contains the libraries, applications and initial configuration settings that are used to launch an instance is called an Amazon Machine Image (AMI).
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Proximity is another parameter developers could build into unlocking scenarios — a payments application would make sense to require the wristband to be in close proximity to a reader to confirm a transaction, for instance, whereas a smart TV might want to configure a profile to a particular user when they walk into the room.
News & Media
When converting to BioPAX, all terms are annotated as an instance of InteractionVocabulary, whereas an SBML transition has a field for the SBO term and other terms are added as controlled vocabularies on the transition.
Science
A simple extension from a prior mission would require a 10%to20%0% financial reserve, for instance, whereas an entirely new component that had yet to work on Earth much less on an unexplored planet could require a 50%to75%5% contingency.
News & Media
You can have a jock falling for a nerd, for instance, whereas if the characters were adults, they wouldn't even meet each other, so none of those culture clashes would happen.
News & Media
Despite the problem of making run-time predictions for a process, based on pre-mortem log data, is an active research topic in Process Mining, current predictive monitoring approaches in this field only support predictions at the level of a single process instance, whereas process performance constraints are often defined in an aggregated form, according to predefined time windows.
Science
A breast cell can produce milk, for instance, whereas a gastric cell is capable to secrete a gastric acid.
Science
For instance, whereas an output target might be the number of police officers, an outcome target is a reduction in crime.
News & Media
A network of 5 nodes has 10 possible connections, for instance, whereas a network of 500 nodes has 124,750 possible connections.
News & Media
For instance, whereas a PhD student would normally pursue a supervisor by performing literature or Web-based seanches, an MD/PhD student is introduced to a wide variety of local medical research disciplines and potential supervisors in lecture or clinical settings.
Science & Research
For instance, whereas an FBA of the S. cerevisiae model [ 12] from BiGG (1266 reactions) takes under ten seconds (including visualization), the equivalent FVA takes roughly ten times as long.
Science
Expert writing Tips
Best practice
Avoid using the phrase "an instance whereas" in formal writing. Opt for clearer and grammatically correct alternatives like "a case in which" or "a situation where".
Common error
The word "whereas" is a conjunction used to contrast two clauses or statements. It doesn't logically follow "an instance". Replace the whole construction with a more suitable linking phrase to show contrast.
Source & Trust
84%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an instance whereas" attempts to function as a conjunction, aiming to introduce a contrast within a specific example. However, as noted by Ludwig AI, this usage is grammatically incorrect.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "an instance whereas" is considered grammatically incorrect and should be avoided in both formal and informal writing. As Ludwig AI points out, the construction is not standard English. While the intention might be to provide a contrasting example, it's best to use alternative phrases like "a case in which" or "a situation where" for clarity and grammatical correctness. Given its rarity and incorrectness, substituting it with a suitable alternative is always recommended.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a case in which
Replaces "an instance whereas" with a clearer, grammatically sound construction, focusing on a specific situation.
a situation where
Similar to "a case in which", this alternative provides a more straightforward way to describe a contrasting circumstance.
for example while
Combines the exemplifying function of "for example" with the contrasting function of "while".
as opposed to
Introduces a direct contrast, highlighting the difference between two elements.
in contrast to
Similar to "as opposed to", this phrase emphasizes the differing nature of two things.
by comparison
Signals a comparison to highlight differences.
conversely
Indicates an opposite or contrasting viewpoint.
on the other hand
Introduces a contrasting point of view or element.
unlike
Highlights the dissimilar nature of two things.
whereas
Using "whereas" alone without "an instance" provides a grammatically correct contrast.
FAQs
What's wrong with using "an instance whereas"?
The phrase "an instance whereas" is grammatically incorrect because "whereas" is used to introduce a contrast between two complete clauses, not to modify "an instance".
How can I correctly use "whereas" to show contrast?
Use "whereas" to connect two independent clauses, such as "The company's profits increased, "whereas" its expenses remained the same".
What can I say instead of "an instance whereas" to indicate a specific situation?
Instead of "an instance whereas", use phrases like "a case in which", "a situation where", or rephrase the sentence for clarity.
Is there a context where "an instance whereas" might be acceptable?
No, "an instance whereas" is generally not considered acceptable in standard English writing. It's always best to use a grammatically correct alternative.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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
1.8/5
Expert rating
Real-world application tested