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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
none of two
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "none of two" is not correct and usable in written English.
It is typically used incorrectly as it suggests a comparison or selection among two items, which is not logically sound. Example: "Out of the two options presented, none of two were suitable for our needs."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(20)
each of the two
either of the two
either of both of these
one of two
either of the
one of these
any one of the two
one or other of the two
it was one of the two
neither
not one of the two
one or the other of the two
any of the two
either alternative
neither of the two
in neither case
one of the two
either of both
not either of them
neither of both
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
12 human-written examples
None of two weakly increasing mappings need be non-decreasing.
Remark 1(1) None of two weakly increasing mappings need be nondecreasing.
(1) None of two weakly increasing mappings need be non-decreasing.
Although none of two bounds in (1.2) and (2.10) are uniformly better than other in general, the condition in the (2.10) is weaker than the one in (1.2).
[19] The mapping T is called dominating if x ⪯ T x for each x in X. Remark 1 (1) None of two weakly increasing mappings need to be nondecreasing.
Of note, none of two probes displayed flat baseline fluorescence, which nevertheless exerted no influence on the melting peaks of the hybrids.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
None of four Muslims found guilty were convicted of the harshest charge, murder.
News & Media
None of four former prisoners interviewed said they had been beaten.
News & Media
He caught none of three base stealers but was pleased with his form.
News & Media
None of nine Westchester communities recently contacted prohibit women from playing on male softball teams.
News & Media
CFA of the perception scale revealed none of three models tested fit reliably across the waves.
Expert writing Tips
Best practice
Prefer using "neither" when referring to two items as it is grammatically correct and more concise than "none of two". For example, instead of saying "None of two options are viable", use "Neither option is viable".
Common error
Avoid using "none of two" when you intend to compare or contrast two specific items. This phrasing is typically considered incorrect. Instead, use "neither" to indicate that neither of the two items satisfies a condition or is true.
Source & Trust
87%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "none of two" functions as a negative determiner, attempting to negate both of a pair of items. However, this usage is generally considered grammatically incorrect. As Ludwig AI points out, "none of two" is not correct and usable in written English. It's typically replaced by the word "neither".
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, while the phrase "none of two" appears in various sources, it is generally considered grammatically incorrect. As Ludwig AI highlights, it is not the appropriate way to express the negation of two specific items. The preferred and more accurate alternative is "neither". Although examples can be found in both scientific and news contexts, it’s essential to use "neither" to ensure grammatical correctness and clarity. When writing or editing, replace "none of two" with "neither" for accurate communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
neither
A single word to express that not one or the other of two items is true.
not one of the two
Emphasizes the singularity of the items and negates them individually.
not either of the two
Similar to "not one of the two", but highlights the choice between them.
not a single one of the two
Adds emphasis to the lack of any positive instance.
in neither case
Focuses on situations or cases, indicating absence in both.
in no instance of the two
Formal and emphatic way to say that something does not occur in either situation.
not in either situation
Similar to "in neither case", but more explicit about the context.
without exception for either
Highlights the lack of exceptions for both items or situations.
not applicable to both
Indicates that something is not relevant or valid for either of the two.
not true for either
States that a condition or statement does not hold for either of the two items.
FAQs
Is "none of two" grammatically correct?
The phrase "none of two" is generally considered grammatically incorrect. A more appropriate alternative is "neither", which is specifically used to refer to two things.
What does "none of two" mean?
While grammatically questionable, "none of two" attempts to convey that neither of two options or items is applicable or true. A clearer way to express this is by using "neither".
When should I use "neither" instead of "none of two"?
You should always use "neither" when you're referring to two items, options, or possibilities. "Neither" is the correct term to indicate that not one or the other is true or applicable.
What are some alternatives to "none of two"?
Besides "neither", you can rephrase the sentence to use constructions like "not one of the two" or "not either of the two" for a clearer and grammatically sound expression.
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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
87%
Authority and reliability
2.8/5
Expert rating
Real-world application tested