is previously known

USAGE SUMMARY

The sentence "is previously known" is grammatically correct and can be used in written English.
It is typically used when discussing something that was already known or established before a certain point in time. Example: "The discovery of the ancient artifacts is not surprising, as their existence is previously known from historical records."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

36 human-written examples

The first author is previously known as Geeta Jadhav.

Earth, Planets and Space

One weakness of this method is that it is assumed that the number of video objects is previously known.

EURASIP Journal on Image and Video Processing

In such situation, no information is previously known by the mobile robot which is supposed to create a map and to localize itself according to this map.

EURASIP Journal on Advances in Signal Processing

A classification problem consists of mapping a data sample (in our case, text) for an appropriate class (or label) that is previously known.

Journal of the Brazilian Computer Society

The "correct" grouping of the objects is reflected in the original data set, where we assume that the real distribution of the objects (and thus the grouping) is previously known.

Vietnam Journal of Computer Science

This corresponds to what is previously known about this gene, an association to differentiating stem cells [58] and strong expression in peripheral leukocytes [59].

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

21 human-written examples

Alterra was previously known as Assisted Living Services.

The New York Times

Nigerian peacekeepers were previously known for violating civilians' rights.

The New York Times

He was previously known primarily for his successful modelling career.

Independent

The threat reports were more clear, urgent and persistent than was previously known.

The New York Times

Five of the paintings were previously known only from old installation photographs.

The New York Times - Arts

Expert writing Tips

Best practice

When using the phrase, always provide citations or references to the original sources where the information was first established.

Common error

Avoid using "is previously known" to state the obvious. Only use this phrase when referencing specific, established knowledge that might not be universally known by your audience.

Linguistic Context

The phrase "is previously known" functions as an introductory clause to acknowledge existing knowledge or established information. Ludwig AI confirms it's grammatically sound and frequently used to provide context or set the stage for new findings. For example, "It is previously known that auxin influences several key processes during plant growth and development."

Expression frequency: Common

Frequent in

Science

88%

News & Media

9%

Formal & Business

3%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "is previously known" is a grammatically correct and common expression used to acknowledge established information, primarily in formal and scientific writing. As Ludwig AI confirms, it serves to provide context and avoid redundancy. When using this phrase, it's best to cite original sources and avoid stating the obvious. Consider alternatives such as "is already established" or "is well-documented" depending on the specific context. The phrase is most frequently found in scientific publications, followed by news and media outlets.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is something already known

Rephrases the sentence to put the emphasis on "something".

is already established

Focuses on the established nature of the information, rather than the knowledge aspect.

has been established

Focuses on the act of establishing the information in the past.

is a known fact

Emphasizes the factual and accepted nature of the information.

is an accepted concept

Highlights the acceptance and validity of the idea.

is well-documented

Highlights the presence of evidence and records supporting the information.

is a recognized principle

Emphasizes the formal recognition and application of the information.

is common knowledge

Suggests the information is widely known and understood by most people.

is a matter of record

Suggests the information is officially recorded and available for verification.

is not new information

Highlights the lack of novelty of the fact

FAQs

How can I use "is previously known" in a sentence?

The phrase "is previously known" is used to refer to information that has already been established or recognized. For example: "The connection between smoking and lung cancer "is previously known", so this study focuses on other risk factors."

What are some alternatives to saying "is previously known"?

Alternatives include phrases like "is already established", "is well-documented", or "is common knowledge", depending on the specific nuance you want to convey.

When is it appropriate to use "is previously known" in academic writing?

It's appropriate to use "is previously known" in academic writing when you need to refer to established facts, theories, or findings from previous research. Always cite the original sources to give proper credit.

What's the difference between "is previously known" and "is widely accepted"?

"Is previously known" indicates that something has been established or recognized before, while "is widely accepted" suggests that something is generally agreed upon or believed to be true by a large group of people. The former focuses on prior establishment, while the latter focuses on current consensus.