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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
none of the two
Grammar usage guide and real-world examplesUSAGE SUMMARY
"none of the two" is correct and can be used in written English.
You can use it when referring to two different items or when comparing two different items. For example: "None of the two houses is better, it just depends on your preference."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
neither of the two
not one of the two
neither one of them
not either of them
in neither case
in neither instance
any of the two
each of the two
either of the two
either of both of these
neither of both
one of two
either of the
one of these
neither of the 2
none of two
any one of the two
not either
one or other of the two
it was one of the two
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
As a consequence none of the two methods bring the expected improvements in accuracy.
None of the two compounds did show any cytotoxicity effect on human THP-1 cells.
None of the two dozen families in line at dinnertime Monday night was complaining.
News & Media
None of the two dozen or so prostitutes involved have been prosecuted — the intent was to get the big fish.
News & Media
We also found that none of the two factors, temperature and immersion time, affected the waste load gain for the tested ranges.
The graph shows the frequency of lice with both viral strains (No9 and No127), with No9 only, with No127 only, and with none of the two viral strains.
Science & Research
At the Lucky Star karaoke bar in Hanoi, none of the two dozen women there initially expressed interest in Mr. Kim.
News & Media
None of the two used light sources can degrade Orange II without a photocatalyst.
Science
If none of the two RATs has 6 bbu to admit an incoming class-1 call.
In other words, none of the two languages showed a stable voiceless (/k/) response floor effect.
Also, none of the two patients on chemotherapy was immunodeficient, according to their white blood cell count.
Science
Expert writing Tips
Best practice
When using "none of the two", ensure you have explicitly mentioned or implied two distinct items or options. This provides context and clarity to your statement.
Common error
Avoid using "none of the two" when referring to more than two items. In such cases, use "none of them" or "none of these" for clarity.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "none of the two" functions as a determiner phrase, indicating that neither of the two specified entities possesses a particular attribute or quality. Ludwig confirms its grammatical correctness and common usage.
Frequent in
Science
61%
News & Media
37%
Formal & Business
2%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "none of the two" is a grammatically sound and frequently used phrase that indicates neither of two options satisfies a given condition. According to Ludwig, it is correct and versatile. It's common in scientific and news-related content, indicating a neutral formality. When using this phrase, make sure that it is clear which two items you are referring to, and that "none of the two" is not mistakenly used in place of 'none of them' when referring to more than two options.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
neither of the two
This is a direct synonym, emphasizing that not one of the two is true or applicable.
not one of the two
Highlights the individual exclusion of both options.
neither one of them
Uses 'one' to emphasize individuality and 'them' to refer to previously mentioned items.
not either of them
Emphasizes that 'either' option is not the case.
in neither case
Focuses on the situation or condition, stating that neither situation applies.
in neither instance
Similar to 'in neither case', but emphasizes a specific occurrence or example.
not in either situation
Highlights that in both situations considered, the condition does not hold.
not applicable to both
States directly that the condition is not relevant or suitable for either of the two.
both do not
A more direct way of saying that both items lack a certain attribute or quality.
neither is true
Emphasizes the falsity or invalidity of both options or statements.
FAQs
How can I use "none of the two" in a sentence?
You can use "none of the two" to indicate that neither of two options or items possesses a certain quality or is true. For example, "None of the two candidates met all the requirements."
What's the difference between "neither of the two" and "none of the two"?
While similar, "neither of the two" specifically emphasizes that not either one is true or possesses a quality, while "none of the two" simply states that no one possesses that quality. In practice, they are often interchangeable.
Is it always necessary to specify "of the two" when using "none"?
Specifying "of the two" clarifies that you are referring to a set of two. Without it, "none" implies a larger or unspecified group. Compare "None of the two options worked" with "None of the options worked."
What are some alternatives to "none of the two"?
Alternatives include "neither of the two", "not one of the two", or rephrasing to state what they lack. For example, instead of "None of the two cars were fast", you could say "Both cars were slow."
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested