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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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this is proof that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "this is proof that" is correct and usable in written English.
You can use it when referring to something that provides evidence or confirmation of something else. For example: "This is proof that studying diligently can lead to success."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

But to others, this is proof that they didn't.

News & Media

The Guardian

To them, this is proof that the organization is nefarious.

News & Media

The New Yorker

"This is proof that we are deep inside the kitchen".

News & Media

The New Yorker

"This is proof that the guy rocks out," he said.

News & Media

The New York Times

"This is proof that civilians are caught up in these attacks".

News & Media

The Guardian

"This is proof that there were rock fans watching Eurovision," said the group's singer, Mr Lordi.

News & Media

The Guardian

Jones argues this is proof that users really do want that curated environment.

News & Media

The Guardian

"This is proof that the FARC is falling apart," Mr. Santos said.

News & Media

The New York Times

All this is proof that women have managed to rise within the ranks of the fundamentalists.

"This is proof that when such a big country industrializes, its effect will spread everywhere".

News & Media

The New York Times

"The plane's wreckage was found over a two-kilometer area, and this is proof that there was no explosion".

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

When using "this is proof that", avoid overstating the certainty of your conclusion. While the evidence may be compelling, acknowledge potential limitations or alternative interpretations to maintain credibility.

Common error

Avoid using personal experiences or isolated incidents prefaced with "this is proof that" to make broad generalizations. Ensure your evidence is representative and statistically significant to avoid misrepresenting the situation.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "this is proof that" functions as a demonstrative phrase, introducing evidence or reasoning to support a claim. Ludwig AI confirms its grammatical correctness and usability. It serves to strongly assert a connection between presented information and a conclusion, as seen in Ludwig's examples across various contexts.

Expression frequency: Very common

Frequent in

News & Media

66%

Science

19%

Formal & Business

6%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "this is proof that" is a versatile phrase used to introduce evidence and support a claim. As confirmed by Ludwig AI, it is grammatically sound and widely used. It is most frequently found in News & Media sources, and serves to persuade and convince the audience. When using this phrase, ensure the evidence is relevant and strong to build a credible argument.

FAQs

How can I use "this is proof that" in a sentence?

Use "this is proof that" to introduce evidence supporting your argument. For example, "The increase in sales after the marketing campaign is proof that it was successful".

What are some alternatives to "this is proof that"?

You can use alternatives like "this demonstrates that", "this confirms that", or "this validates that" depending on the nuance you want to convey.

When is it inappropriate to use "this is proof that"?

Avoid using "this is proof that" when the evidence is weak, anecdotal, or doesn't directly support the claim you're making. Overusing it can weaken your argument.

Is "this is proof that" formal or informal language?

"This is proof that" is generally considered neutral and appropriate for both formal and informal contexts. However, in highly academic or scientific writing, consider stronger alternatives like "this establishes that".

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Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: