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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
of which either
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "of which either" is not standard in written English and may cause confusion.
It could be used in contexts where you are referring to two options or items, but it is better to rephrase for clarity. Example: "There are two options available, of which either can be chosen."
Science
News & Media
Academia
Encyclopedias
Wiki
Alternative expressions(1)
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
For there is nothing whatever in the carrying out of which either ability without will or will without ability avails.
Academia
That was true of the largest investment and commercial banks, several of which either failed or required taxpayer support to survive.
Academia
It is, therefore, established that in every proposition, of which either substance or a differentia forms the predicate, these are predicated univocally.
Waizhou is crisscrossed by Greyhound bus routes and dotted with little towns, all of which either already have or could use a Chinese restaurant.
News & Media
The area is at its bleakest in the north, most of which either is sterile rocky desert or has a sparse cover of hardy grasses.
Encyclopedias
(2) For purposes of the Pacific halibut fishery, fishing, the resulting catch of which either is, or is intended to be, sold or bartered but does not include subsistence fishing for halibut, as defined at 50 CFR 300.61.
Academia
The AFL-CIO, factions of which either support Democrats Hillary Rodham Clinton or Barack Obama, strongly links Mr. McCain to several of President Bush's policies — like tax cuts for wealthy Americans and Nafta support — that are unpopular among union members.
News & Media
These efforts produced thousands upon thousands of trees, all of which either succumbed to the blight or were so different from the American chestnut that they could hardly be said to be reviving it.
News & Media
The Gambia is organized into Local Government Areas (LGA), each of which either is coterminous with a long-standing administrative unit known as a division or corresponds with roughly half of a division.
Encyclopedias
Secondly, the space around the clothed reference human model is tetrahedralized into five tetrahedral meshes each of which either can be worked dependently with its adjacent ones or can be worked independently.
Science
The internet may be governed by federal law, but the acceptable uses of an apartment or house (or any structure or piece of land) are very much the province of local governments, many of which either ban or curtail short-term rentals.
News & Media
Expert writing Tips
Best practice
When using "of which either", ensure the context clearly indicates two distinct possibilities or alternatives. If more than two exist, consider rephrasing for clarity. For example, using "of which one" or "of which any".
Common error
Avoid using "of which either" when referring to more than two options. This can create confusion and grammatical errors. Instead, use a phrase like "of which some" or "of which any" to encompass multiple possibilities.
Source & Trust
80%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "of which either" functions as a prepositional phrase followed by a conjunction, introducing an alternative or choice within a previously mentioned group or set. It sets up a scenario where one of two options applies.
Frequent in
Science
32%
News & Media
28%
Academia
15%
Less common in
Encyclopedias
12%
Wiki
8%
Formal & Business
5%
Ludwig's WRAP-UP
The phrase "of which either" is used to indicate a choice between two possibilities within a larger group. It's commonly found in science, news, and academic writing, suggesting its adaptability across various contexts. Ludwig AI indicates the phrase is acceptable, but it can often be replaced with clearer alternatives like "of which one" or "of which any", particularly when more than two options are present. While grammatically sound, prioritizing clarity ensures effective communication. Remember to always consider context and audience when choosing between "of which either" and its potential substitutes.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
of which one
Focuses on a single item from the group, removing the either/or implication.
of which any
Suggests that any member of the group could fulfill the condition.
of which at least one
Emphasizes the minimum requirement of selecting one item.
of which some
Indicates an unspecified number of items from the group.
of which a portion
Highlights a part of the group, rather than a specific selection.
of which a selection
Implies choosing from the group, but does not specify the number.
of which an option
Emphasizes that there are available choices within the group.
of which a possibility
Indicates potential, but not necessarily certainty, among the group.
of which a chance
Suggests a probability related to an item within the group.
of which a variant
Focuses on alternative versions or forms within the group.
FAQs
How can I use "of which either" in a sentence?
Use "of which either" to indicate one of two possibilities within a larger group. For example, "There are two paths, "of which either" leads to the city."
What can I say instead of "of which either"?
Alternatives include "of which one", "of which any", or "of which at least one", depending on the specific meaning you want to convey.
Is it always necessary to use "of which either"?
No, it's not always necessary. Often, simpler constructions can improve clarity. For instance, instead of "two options, of which either", consider "either of the two options".
Which is correct: "of which either" or "of which either one"?
While both can be grammatically correct, "of which either one" is often more explicit and avoids ambiguity. However, consider if a simpler phrasing like "of which one" is more appropriate.
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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
80%
Authority and reliability
3.8/5
Expert rating
Real-world application tested