a common known

USAGE SUMMARY

The phrase "a common known" is not correct in English.
Did you mean "a commonly known"? You can use "a commonly known" when referring to something that is widely recognized or accepted by many people. Example: "It is a commonly known fact that exercise is beneficial for health."

⚠ May contain grammatical issues

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

In the enrichment design, is tested using a z-test with test statistics where is the observed effect estimate using the total sample size n per group, assuming groups of equal size and a common known variance σ.

Biometrical Journal

The proposed atlas construction approach can effectively retain the water diffusion anisotropic information, especially on the myocardial tissue edges, which is a common known limit of current techniques.

Neurocomputing

Suppose that Y1, Y2,..., Y k are independent normal random variables and these k random variables all have a common known variance, but their means are unknown and different.

BMC Systems Biology

Human-verified similar examples from authoritative sources

Similar Expressions

55 human-written examples

In the first model considered by Meuwissen et al. [ 5], the α j were iid normal variables with null mean and a common "known" variance, which is equivalent to our general model with π=0,, and set to the common known variance.

Genetics, Selection, Evolution

Using this approach, epidemiologic biases can be categorized as either lack of conditioning on a common cause (known as confounding bias), or conditioning on a common effect of two parents (or a descendant of the common effect; known as selection bias).

BMC Medical Research Methodology

It's a common practice known as "de-contenting".

The New Yorker

This is a common practice known as maturity transformation.

The New York Times

Mr. Bradley had never disclosed that he for the last few years he had suffered an irregular heart beat, a common condition known as atrial fibrillation.

The New York Times

And when it comes to family life, it is hard to find a weirder example than that of a common wasp known as Copidosoma floridanum.

The New York Times - Science

Nigerians also suffer from a common practice known as "tossing the line" in which telephone engineers cut a line and then ask for an exorbitant reconnection fee.

The Economist

It's not a "very rare" virus; it's a common virus known only rarely to infect humans, and with no ramifying chains of human contagion.

The New York Times

Expert writing Tips

Best practice

Avoid using the phrase "a common known" in formal writing. Instead, opt for grammatically correct alternatives such as "a well-known fact" or "a commonly known piece of information".

Common error

The phrase "a common known" incorrectly uses the adjective "common" to modify the past participle "known." Ensure that "known" is appropriately modified by an adverb, such as "commonly," or replace the phrase entirely with a more suitable alternative.

Linguistic Context

The phrase "a common known" functions as a noun phrase attempting to describe something widely understood or recognized. However, it is grammatically flawed as 'common' does not appropriately modify 'known'. Ludwig AI flags this as incorrect.

Expression frequency: Rare

Frequent in

Science

50%

News & Media

37%

Encyclopedias

13%

Less common in

Formal & Business

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "a common known" is grammatically incorrect and should be avoided in formal writing. Ludwig AI identifies it as flawed. While some examples appear in scientific and news contexts, the phrase should be replaced with grammatically sound alternatives such as "a commonly known fact" or "a well-known fact". The primary intention is to express widespread understanding, but the incorrect grammar undermines its effectiveness. Pay close attention to the correct use of adverbs to modify past participles, ensuring clarity and professionalism in your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a commonly known fact

Uses the adverb "commonly" to correctly modify the adjective "known", improving grammatical accuracy.

a well-known fact

Replaces the original phrase with a more grammatically correct and widely accepted expression.

a generally known thing

Substitutes "common" with "generally" and "known" with "thing", altering the wording while retaining a similar meaning.

a widely recognized aspect

Replaces "common" and "known" with synonyms "widely recognized" and "aspect", providing a more formal tone.

a publicly known detail

Emphasizes the public nature of the knowledge, offering a slight shift in focus.

a universally accepted idea

Indicates broad agreement, implying the knowledge is not only common but also agreed upon.

a familiar concept

Focuses on the familiarity of the concept, suggesting that people are acquainted with it.

a prevalent notion

Highlights the widespread nature of the idea, emphasizing its common occurrence.

a typical understanding

Suggests that the knowledge is what most people would typically understand or assume.

a standard piece of knowledge

Indicates that the information is part of a standard or basic understanding.

FAQs

What are some alternatives to "a common known"?

Instead of "a common known", you can use phrases like "a commonly known fact", "a well-known fact", or "a widely recognized aspect".

Is the phrase "a common known" grammatically correct?

No, the phrase "a common known" is not grammatically correct. The adjective "common" doesn't properly modify the past participle "known". Use "commonly" instead.

How can I use "a commonly known fact" in a sentence?

You might say, "It's a commonly known fact that exercise is beneficial for your health".

What's the difference between "a common known" and "a commonly known"?

"A common known" is grammatically incorrect. "A commonly known" uses the adverb "commonly" to correctly modify the adjective "known", indicating something that is widely recognized.