both two classes of

USAGE SUMMARY

The phrase "both two classes of" is not correct and is redundant in written English.
You can use it when trying to refer to two distinct categories, but it should be simplified to avoid redundancy. Example: "The study focuses on both classes of mammals and reptiles."

⚠ May contain grammatical issues

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

To take into account practical aspects, buffers of finite size for both two classes of customers are assumed in this paper.

Vietnam Journal of Computer Science

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Although high accuracies were achieved for both six and seven classes of emotion, we observe that anger and sadness emotions do get confused with the added neutral emotion in 7-class testing, reducing overall accuracy.

EURASIP Journal on Image and Video Processing

Ford and Berkshire Hathaway both have two classes of shares.

The New York Times

Though some OBPs and CSPs are ubiquitous or expressed in non-sensory organs, both these two classes of proteins are believed to be abundant in the antennae and other chemosensory organs.

BMC Genomics

Based on an impulsive differential inequality, the properties of random variables, the framework of Filippov solution, and Lyapunov functional method, sufficient conditions are derived to guarantee that the considered coupled memristor-based neural networks can be pth moment globally exponentially synchronized onto an isolated node under both of the two classes of hybrid impulsive controllers.

Neural Networks

In both cases there are only two classes of theories, those that conserve parity or CP, and those that do not.

SEP

Among the six strains, only one had two classes of mutations (both NRTI and NNRTI) (Table 2).

BMC Infectious Diseases

There is sufficient evidence that the tests used: APRI and FIB-4 have the ability to distinguish for both groups of patients between the two classes of fibrosis (F0-F1 to F≥2) meaning between patients with and without liver disease.

BMC Infectious Diseases

There were two classes of verb stems.

Encyclopedia Britannica

Two classes of polymerization usually are distinguished.

Encyclopedia Britannica

That creates two classes of member.

The Guardian

Expert writing Tips

Best practice

Avoid using "both two classes of" in formal writing. It's redundant. Instead, use "two classes of" or "both categories of" for clarity.

Common error

Don't create phrases with overlapping meanings. "Both" implies two, so using it with "two classes" is unnecessary. Choose one or the other to maintain concise writing.

Linguistic Context

The phrase "both two classes of" functions as a descriptor, aiming to categorize or group items. However, Ludwig AI identifies it as grammatically incorrect due to redundancy. Its intended function is to specify two distinct categories, but the wording is flawed.

Expression frequency: Rare

Frequent in

Science

62%

News & Media

23%

Encyclopedias

6%

Less common in

Wiki

3%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "both two classes of" is generally considered grammatically incorrect due to its redundant nature. While it attempts to categorize items into two distinct groups, the unnecessary use of "both" alongside "two" creates a clumsy construction. Ludwig identifies its rare usage across science, news, and encyclopedic contexts. For clear and concise writing, it's best to use alternatives like "two classes of" or "both categories of". This ensures grammatical accuracy and avoids potential confusion.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

two classes of

Removes the redundancy by omitting "both", resulting in a grammatically correct phrase.

both categories of

Replaces "classes" with "categories" while retaining the emphasis on two distinct groups.

the two types of

Substitutes "classes" with "types", offering a slight variation in wording.

these two kinds of

Uses "kinds" instead of "classes", providing a more informal alternative.

the two forms of

Replaces "classes" with "forms", suitable when referring to different manifestations of something.

each of the two classes

Emphasizes the individual consideration of each class.

the aforementioned two classes

Adds a formal tone, indicating classes previously mentioned.

the former and latter classes

Refers to two classes by their order of appearance.

the respective classes

Highlights that the classes correspond to previously mentioned items.

the specified classes

Indicates that the classes have been specifically designated or defined.

FAQs

What is the correct way to say "both two classes of"?

The correct and more concise way to express this is simply "two classes of". The word "both" is redundant when you already specify "two".

Can I use "both" with a number other than two when referring to classes?

No, "both" specifically refers to two items. If you are referring to more than two classes, you should not use "both". Instead, quantify or categorize the classes appropriately, such as "several classes of" or "various types of".

What's the difference between saying "two classes of" and "both classes of"?

"Two classes of" simply identifies that there are two categories. "Both classes of", implies that you are referring to two specific classes that have already been identified or are understood in context.

Are there situations where "both two classes of" might be acceptable?

While grammatically incorrect, it might appear in informal speech. However, in formal writing, it's best to avoid this phrase and opt for "two classes of" or a similar construction.