as is common knowledge

USAGE SUMMARY

The phrase "as is common knowledge" is correct and usable in written English.
It can be used to introduce information that is widely accepted or understood by most people. Example: "As is common knowledge, water freezes at 0 degrees Celsius."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

As is common knowledge, it was Ellsberg's conscience about the rift that led him to steal — or, if you prefer, to liberate — a hulking stash of incriminating documents, which came to be called the Pentagon Papers.

The New Yorker

According to her theory, "an understanding of joint commitment and a readiness to be jointly committed are necessary if one is to accrue political obligations, as is common knowledge of these in the population in question.

SEP

As is common knowledge, and as history continues to remind us, men have always obsessed over women's bodies.

Huffington Post

As is common knowledge today, they found a higher affinity of lipiodol to liver tissue.

British Journal of Cancer

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

As was common knowledge at the time of their success, Jerry Dammers was the founder, main songwriter and driving force of the Specials.

The Guardian - Music

A group of parents who, along with a cluster of scouts, make up the majority of the crowd, are not happy as it is common knowledge that the boy in question is about to join Manchester United.

The Guardian - Sport

CA is then interpreted as 'It is common knowledge among the agents that A'.

SEP

As there is common knowledge of rationality, however, A knows that B will stick to the convention only if he or she expects A to do likewise.

SEP

"But the risk contemplated here is as grave as it can be, for it is common knowledge that so many have lost their lives in Syria and so many have gone knowing that would be likely.

The Guardian

As Michael Paraskos says: It is common knowledge that the idea for the Cyprus College of Art was born in a slightly drunken gathering at the Fenton pub on Woodhouse Lane in 1968.

The Guardian

A simple way to handle utterances with presupposition in dynamic epistemic logic is by modelling a presupposition P as a public announcement "it is common knowledge that P".

SEP

Expert writing Tips

Best practice

Use "as is common knowledge" to introduce information that is widely accepted and unlikely to be disputed by your audience. This establishes a shared understanding and strengthens your argument.

Common error

Avoid using "as is common knowledge" when introducing niche information or concepts that may not be familiar to your audience. This can alienate readers and undermine your credibility.

Linguistic Context

The phrase "as is common knowledge" functions as an introductory element, specifically a disjunct. It serves to frame the subsequent statement as something already understood and accepted by the audience. Ludwig's examples illustrate how it prefaces information across varied contexts.

Expression frequency: Common

Frequent in

News & Media

35%

Science

33%

Formal & Business

32%

Less common in

Wiki

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "as is common knowledge" is a useful phrase for introducing information considered widely understood. Ludwig AI verifies it as grammatically correct and usable in various contexts including news, science, and formal writing. While seemingly straightforward, it’s important to ensure the information is genuinely common knowledge to avoid alienating readers. Alternatives like ""as everyone knows"" or ""as is generally known"" can be used depending on the specific emphasis desired.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

it is common knowledge that

A slight reordering with only minimal change of the semantic relevance.

as is generally known

Highlights the general acceptance of the information.

as a matter of common knowledge

More formal and emphasizes the official nature of the knowledge

as is widely understood

Emphasizes the understanding of the information by a large audience.

as everyone knows

Focuses on the individual's knowledge, rather than the widespread nature of the information.

it is well known that

A more direct way of stating that something is common knowledge.

everyone is aware that

Highlights awareness of the fact across the people.

it's a well-established fact that

Emphasizes the factual and proven nature of the information.

it goes without saying that

Suggests the information is so obvious it doesn't need to be stated.

it's no secret that

Implies the information is publicly known, even if it might be sensitive.

FAQs

How can I use "as is common knowledge" in a sentence?

Use "as is common knowledge" to introduce a fact or concept that is widely accepted and understood. For example, "As is common knowledge, the Earth revolves around the Sun."

What are some alternatives to "as is common knowledge"?

You can use alternatives like "as everyone knows", "as is generally known", or "it is well known that".

Is it correct to say "as it is common knowledge"?

While the meaning might be understood, the standard phrasing is "as is common knowledge". The alternative "as it is common knowledge" is less common and can sound awkward.

What is the difference between "as is common knowledge" and "as is widely known"?

While both phrases are similar, "as is common knowledge" emphasizes that something is a basic fact, while "as is widely known" suggests the information is known by a large number of people. The difference is subtle and they are often interchangeable.