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
CEO of Professional Science Editing for Scientists @ prosciediting.com
any of these two
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "any of these two" is not correct in standard English.
The correct expression would be "either of these two." Example: "You can choose either of these two options for your project."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(5)
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
"I cannot trust any of these two people who are fighting.
News & Media
It's not the script that does it – that's good, though, like any of these two point four children sitcoms, a little cheesy too.
News & Media
Neither in total nor in any subgroup did we find results indicating beneficial effects of any of these two interventions.
Science
This can be used in designing collectors for places where the available land strip does not align with any of these two directions.
Science
It was found that, using any of these two buffers either does not affect the synchronous fluorescence intensity or even decrease it.
Science
For this reason, any of these two measures could reduce future pension expenditure because they would break the link between benefits and wage growth.
Science
Therefore, focusing future research contributions on any of these two aspects is needed as they are the bottleneck of the reconfiguration capability in CR networks.
As our simulations show, the protocol using any of these two heuristics achieves a converged state faster than the original protocol.
A conception of international order that violates any of these two conditions would be incompatible with political existence and therefore illegitimate.
Science
Surface tension measurements in solutions formed by any of these two types of asphaltenes, pentane insolubles (C5I) or heptane insolubles (C7I), in aromatic solvents suggested the occurrence of an aggregation phenomenon of asphaltenes in each of the solvents studied.
Bi-epitope DeAn conjugates could potentially allow the diagnosis of patients allergic to any of these two drugs with a single test and represent the basis for a broadly-applicable in vitro assay.
Expert writing Tips
Best practice
Always use "either of these two" when referring to a choice between two options to ensure grammatical accuracy. Although "any of these two" is frequently found, it's considered incorrect.
Common error
Avoid using "any" when you specifically mean one of two options. "Any" implies one or more from a larger group, while "either" correctly refers to one of two.
Source & Trust
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "any of these two" functions as a determiner phrase, aiming to specify a selection from a pair. However, Ludwig AI identifies this usage as grammatically incorrect, advising against its use in formal contexts. Though frequently found in examples, correctness should prevail.
Frequent in
Science
66%
News & Media
17%
Formal & Business
17%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
While the phrase "any of these two" is frequently encountered across various sources, Ludwig AI flags it as grammatically incorrect. The correct alternative is "either of these two". Although "any of these two" appears in scientific articles and news reports, its usage doesn't align with standard English grammar. For clarity and correctness, especially in formal writing, it's best to use "either of these two" or other suggested alternatives to ensure your writing is both accurate and professional.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
either of these two
This is the grammatically correct alternative, indicating a choice between two options.
either one of these
A variation of the standard correction, slightly rephrased.
any one of these two
This option emphasizes selecting a single item from the pair, while still maintaining grammatical correctness.
one of these two
This is a direct and simple way to indicate selecting a single item from the pair.
any from these two
Emphasizes the selection process but slightly less formal.
one among these two
This alternative highlights the selection from a limited set.
a choice of these two
Highlights the act of choosing between the two.
a selection between these two
Highlights the act of choosing between the two.
selecting from these two
This focuses on the act of selecting, rather than the item selected.
choosing from these two
Similar to "selecting from these two", it emphasizes the decision-making process.
FAQs
What is the correct way to refer to one of two options?
The correct phrase is "either of these two". The use of "any of these two" is generally considered grammatically incorrect.
Is "any of these two" ever acceptable in writing?
While "any of these two" appears in various sources, it is not considered standard English. For formal or academic writing, always opt for "either of these two".
What's the difference between "any of these two" and "either of these two"?
"Either" refers specifically to one of two options, while "any" is more appropriate when referring to one or more items from a larger group. Therefore, "either of these two" is the correct choice when you have only two options.
What are some alternatives to "any of these two"?
Besides "either of these two", you could also use "any one of these two" or "one of these two" depending on the specific context, to maintain grammatical accuracy.
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested