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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
are contained in
Grammar usage guide and real-world examplesUSAGE SUMMARY
"are contained in" is a correct and usable phrase in written English.
It is commonly used to describe something that is contained or included within something else. It can be used in various contexts such as describing the contents of a container, the elements of a larger group, or the details of a larger concept. Example: The ingredients for the recipe are contained in this box.
✓ Grammatically correct
Science
News & Media
Academia
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
60 human-written examples
Small forms are contained in larger forms.
News & Media
(F) are contained in subpar.
Academia
Others are contained in books (remember them?).
News & Media
Answers to all these questions are contained in our tables.
News & Media
The rankings are contained in the World Health Report 2000.
News & Media
Their letters to Thatcher are contained in the file.
News & Media
The members of each partition/subdivision are contained in rectangles.
Science & Research
Those accusations are contained in a lawsuit filed last week.
News & Media
Those records are contained in a database called Practice Fusion.
News & Media
The rules governing CEII are contained in § 388.113.
Academia
The bulk of these transistors are contained in 25 cores.
Academia
Expert writing Tips
Best practice
When using "are contained in", ensure that the subject logically fits within the container you're describing. For example, "The files are contained in the folder" is logical, while "The idea is contained in the building" is not.
Common error
Avoid using "are contained in" when describing abstract relationships or concepts that don't involve physical containment. Instead of saying "The solution is contained in the report", consider using "The solution is detailed in the report" or "The solution is found in the report".
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are contained in" functions as a verb phrase indicating inclusion or embodiment. It specifies that certain elements or components exist within a larger entity, as illustrated by Ludwig, which provides numerous examples of its usage across diverse contexts.
Frequent in
Science
41%
News & Media
27%
Academia
23%
Less common in
Wiki
3%
Formal & Business
3%
Reference
0%
Ludwig's WRAP-UP
The phrase "are contained in" is a grammatically correct and very common expression used to indicate that certain elements or information are included within a specific location, document, or concept. Ludwig AI confirms its widespread use across various contexts, including science, news and media, and academia. While alternatives like "are included within" and "are comprised within" exist, it's essential to use "are contained in" logically, ensuring the subject fits appropriately within the described container. Avoiding misuse with abstract concepts and maintaining consistency with plural subjects are key to effective communication. Ludwig provides numerous examples to demonstrate proper usage and contextual relevance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are included within
Emphasizes the inclusion as part of a larger set, similar to "are contained in" but slightly more formal.
are comprised within
Highlights that the components make up the whole, analogous to "are contained in" but focusing on composition.
are encompassed by
Suggests a broader scope of inclusion, implying that the items are surrounded or covered by something.
are embodied in
Implies a more abstract representation, where items manifest within a concept or form, differing slightly from the literal containment of "are contained in".
are subsumed under
Indicates a hierarchical relationship, where items fall under a broader category, distinct from the spatial sense of "are contained in".
are present in
Focuses on the existence or occurrence within a certain context, deviating from the more explicit containment of "are contained in".
are located within
Specifies a physical or spatial relationship, emphasizing placement rather than mere inclusion, thus differing from the broader scope of "are contained in".
are situated inside
Indicates physical placement within an enclosure, focusing on the location rather than the compositional aspect of "are contained in".
are held within
Suggests the act of being held or kept inside something, distinct from the general inclusion implied by "are contained in".
are kept inside
Implies active preservation or confinement within something, diverging from the neutral inclusion of "are contained in".
FAQs
How can I use "are contained in" in a sentence?
Use "are contained in" to indicate that something is physically or logically included within something else. For example, "The answers are contained in the document" or "The ingredients are contained in the recipe".
What are some alternatives to "are contained in"?
You can use alternatives like "are included within", "are comprised within", or "are encompassed by" depending on the context.
Is it correct to say "is contained in" instead of "are contained in"?
The choice between "is contained in" and "are contained in" depends on whether the subject is singular or plural. Use "is contained in" for singular subjects (e.g., "The error is contained in this line") and "are contained in" for plural subjects (e.g., "The errors are contained in these lines").
What's the difference between "are contained in" and "are listed in"?
"Are contained in" implies inclusion within something, while "are listed in" simply means that items are enumerated in a list. For example, "The ingredients are contained in the box" means they are physically inside, while "The ingredients are listed in the recipe" means they are written down in the recipe.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested