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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
both of these two
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "both of these two" is correct and usable in written English.
This phrase is most commonly used to refer to two items, people, or concepts that have already been mentioned or implied in a sentence. For example, "Both of these two towns have a population of fewer than 1,000 people."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(8)
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
Both of these two play the spinners very nimbly.
News & Media
"Both of these two will need to be built up".
News & Media
"And both of these two groups, they do it with a lot of passion.
News & Media
Both of these two first frontiers were primarily agricultural in character.
Encyclopedias
And both of these two became classics, and educated a generation of physicists.
Academia
Ironically enough, both of these two big players have seen the writing on the wall for almost a decade.
News & Media
Now in a sense, the underlying question of both of these two lectures is: How did America win?
Academia
Methods and standards can be found in both of these two classes.
Science
Both of these two sensors present high selectivity to Cu2+ and high sensitivity with acidity independence.
England will want one, or ideally, both of these two early on a pitch like this, or things could get nasty.
News & Media
Both of these two analyses are proven safe and the reasons behind each design decision are discussed.
Science
Expert writing Tips
Best practice
Use "both of these two" when you want to specifically emphasize that you are referring to two items previously mentioned and want to highlight that both are relevant.
Common error
Avoid using "both of these two" when the context already clearly indicates you are talking about two things. Simpler alternatives like "these two" or "both" might be more concise and effective.
Source & Trust
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "both of these two" functions as a determiner phrase, specifically highlighting and emphasizing a pair of previously mentioned or implied items. Ludwig AI confirms its grammatical correctness and usability across various contexts.
Frequent in
Science
47%
News & Media
21%
Academia
9%
Less common in
Formal & Business
4%
Encyclopedias
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "both of these two" is a grammatically sound and frequently used expression to emphasize that two specific items or entities are being referred to. While sometimes considered redundant, its primary function is to add clarity and focus, highlighting both elements. Ludwig AI confirms its correctness, and its wide distribution across diverse sources like science, news, and academia, indicates its versatility and general acceptance in written English.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
these two
Omits "both of" for brevity; less emphatic.
both these
Reorders the words slightly for emphasis.
the two of these
Adds "of" and rearranges for a slightly different flow.
each of these two
Shifts focus to individuality within the pair.
either of these two
Indicates a choice between the two.
the latter two
Refers to the last two items mentioned in a list.
these couple
Uses "couple" as an alternative to "two" in a more informal way.
the pair
Refers to the two as a set, rather than individually.
the aforementioned pair
More formal way to refer to two previously mentioned items.
both items
A very generic way to refer to both things.
FAQs
How can I use "both of these two" in a sentence?
Use "both of these two" to emphasize that you're referring to two specific items that have already been mentioned. For instance, "We examined "sample A" and "sample B". "Both of these two" samples showed similar results".
What are some alternatives to "both of these two"?
Alternatives include "these two", "both these", or, if the context is clear, simply "both".
Is it grammatically correct to say "both of these two"?
Yes, "both of these two" is grammatically correct, though sometimes considered slightly redundant. It is often used for emphasis.
What is the difference between "both of these two" and "these two"?
"Both of these two" emphasizes that you're considering both items together, whereas "these two" is a more neutral way of referring to the pair.
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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
4.6/5
Expert rating
Real-world application tested