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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

none of two

Grammar usage guide and real-world examples

USAGE 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

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

Plosone
Show more...

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

The New York Times

None of four former prisoners interviewed said they had been beaten.

News & Media

The New York Times

He caught none of three base stealers but was pleased with his form.

News & Media

The New York Times

None of nine Westchester communities recently contacted prohibit women from playing on male softball teams.

News & Media

The New York Times

CFA of the perception scale revealed none of three models tested fit reliably across the waves.

Show more...

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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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".

Expression frequency: Common

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.

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.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

87%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: