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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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needs proof

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "needs proof" is correct and usable in written English.
It can be used when indicating that something requires verification or evidence to support it. Example: "The claim made in the article needs proof before it can be accepted as fact."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

19 human-written examples

Who needs proof?

The problem is that science needs proof.

News & Media

The Guardian

A solution like this one needs proof of concept.

News & Media

The New York Times

But it needs proof from Vueling that it changed the flight times and an explanation why.

News & Media

Independent

I have left out video because nobody needs proof that films can be funny.

News & Media

Independent

If the Postal Service needs proof of death, they can do what financial institutions and other government agencies do: ask for a certified copy of the death certificate.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

41 human-written examples

Need proof?

News & Media

The New York Times

You do not need proof".

News & Media

The New York Times

If you need proof, go visit Detroit.

If you needed proof of that, look at Iraq.

News & Media

The Economist

It's like you need proof he's human".

Show more...

Expert writing Tips

Best practice

Consider the audience when deciding whether to use "needs proof" or a more formal alternative like "requires substantiation." Adapt your language to suit the tone and expectations of your readers.

Common error

Avoid using "needs proof" when the statement is generally accepted or self-evident. Overstating the need for proof can make your writing sound condescending or overly cautious.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

80%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "needs proof" functions as a predicate in a sentence, asserting the requirement for evidence or verification to support a claim. It indicates that something is lacking the necessary support to be considered valid or true. Ludwig AI confirms this through the examples provided.

Expression frequency: Common

Frequent in

News & Media

45%

Science

25%

Formal & Business

15%

Less common in

Wiki

10%

Encyclopedias

3%

Reference

2%

Ludwig's WRAP-UP

The phrase "needs proof" is a common and grammatically correct way to express that a statement or claim requires evidence or verification. As Ludwig AI confirms, this phrase is widely used in various contexts, particularly in news, science, and formal settings. While alternatives like "requires evidence" or "demands verification" exist, "needs proof" offers a straightforward and generally applicable expression of the need for substantiation. When using this phrase, be mindful of the context and audience to ensure the appropriate level of formality and clarity. This phrase appears mostly across authoritative sources such as The New York Times, The Guardian and Forbes.

FAQs

How can I use "needs proof" in a sentence?

The phrase "needs proof" indicates that a claim, statement, or idea requires evidence or verification to be accepted as true or valid. For example, "The theory that the universe is expanding needs proof through observation and experimentation."

What are some alternatives to "needs proof"?

Depending on the context, you can use alternatives like "requires evidence", "demands verification", or "necessitates substantiation".

Is it better to say "needs proof" or "requires proof"?

"Needs proof" and "requires proof" are largely interchangeable. "Requires proof" might be perceived as slightly more formal, but both are grammatically correct and widely understood.

What does it mean when something "needs proof of concept"?

When a project or idea "needs proof of concept", it means that there needs to be some demonstration to showcase that it can actually work. It's about proving that it is feasible, viable, and practical.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: