are proof of

USAGE SUMMARY

The phrase "are proof of" is grammatically correct and commonly used in written English.
It is typically used to indicate that something serves as evidence or confirmation of a statement or claim. Here are a few examples: - "The recent research findings are proof of the effectiveness of this new treatment." - "The unfinished construction projects are proof of the government's lack of funding." - "The full stadiums at every game are proof of the team's popularity."

✓ Grammatically correct

News & Media

Academia

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

They are proof of diversity.

The Washington Post

"The numbers are proof of that".

The New York Times

The Jordan bombings are proof of that.

The New York Times

The Armijos are proof of that, too.

University of California, Berkeley

Their enormous profits are proof of their morality.

The Guardian

These CDs and DVDs are proof of all that.

The New York Times - Arts

They are proof of Mexico's burgeoning commerce with America.

The Economist

Mrs. Hunter's sticks are proof of that claim.

The New York Times

Both his book and "Jerusalem" are proof of that.

The New York Times - Food

They are proof of how much Egyptians yearn for democracy.

The New York Times

The television ratings in the major finals this year are proof of that.

The New York Times - Sports

Expert writing Tips

Best practice

Use "are proof of" to clearly and directly indicate that something provides strong evidence for a particular claim or statement. It should be followed by the specific thing that is being proven or supported.

Common error

Avoid using "are proof of" with vague or unsubstantiated claims. Ensure that what follows the phrase is concrete and directly supports the point you are making. For example, don't say "are proof of success" without specifying what the success is and how it is evidenced.

Linguistic Context

The primary grammatical function of "are proof of" is to serve as a linking verb phrase that connects a subject to a predicate nominative, indicating that the subject provides verification or confirmation of something. Ludwig AI confirms the phrase is commonly used in writing.

Expression frequency: Very common

Frequent in

News & Media

70%

Academia

15%

Formal & Business

10%

Less common in

Science

3%

Encyclopedias

1%

Wiki

1%

Ludwig's WRAP-UP

The phrase "are proof of" is a commonly used expression to indicate that something serves as strong evidence or confirmation. Grammatically correct and versatile, it appears frequently in news, academic writing, and formal business contexts. Ludwig AI confirms its validity and wide usage. While similar phrases like "are evidence of" offer stylistic variations, it's crucial to ensure that the claim being supported is clearly substantiated to avoid vagueness. Authoritative sources like The New York Times and The Guardian frequently employ this phrase, underscoring its reliability in formal communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

are evidence of

Focuses more directly on the aspect of providing evidence.

are indicative of

Suggests that something points towards or suggests something else.

are demonstrative of

Emphasizes the act of demonstrating or showing something clearly.

are a testament to

Highlights that something serves as a strong and positive confirmation.

confirm

Short and direct, simply stating that something makes sure.

substantiate

Emphasizes the provision of concrete support or evidence.

verify

Focuses on the establishment of truth or accuracy.

validate

Highlights the act of confirming the legitimacy or correctness of something.

attest to

Suggests a formal declaration or confirmation of something.

bear witness to

Emphasizes the act of providing direct observation and confirmation.

FAQs

How to use "are proof of" in a sentence?

The phrase "are proof of" indicates that something provides strong evidence or confirmation of a particular claim. For instance, "The rising sales figures are proof of the product's popularity."

What can I say instead of "are proof of"?

You can use alternatives like "are evidence of", "are indicative of", or "demonstrate" depending on the context.

Which is correct, "are proof of" or "is proof of"?

"Are proof of" is used when referring to multiple items or a plural subject, while "is proof of" is used with a singular subject. For example, "These results are proof of our hard work" versus "This result is proof of our hard work."

What's the difference between "are proof of" and "are evidence of"?

While both phrases indicate support for a claim, "are proof of" suggests a stronger, more conclusive confirmation, whereas "are evidence of" simply indicates that something provides some support or indication, but not necessarily definitive proof.