Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

this is a proof

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "this is a proof" is grammatically correct and can be used in written English.
It is typically used to indicate that something is evidence or validation of a statement or claim. Example: "This is a proof that my theory was correct all along. The data supports my hypothesis."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

41 human-written examples

This is a proof of principle study".

News & Media

The New York Times

"This is a proof of concept," Dr. Siliciano said.

News & Media

The New York Times

However this is a proof of concept that pluripotency can be achieved in vivo".

News & Media

Independent

This is a proof of what he has endured for Cindy, and how these wounds solemnise their love.

"This is a proof that the political basis of the regime is collapsing," said Samir Nachar, a leader of the Syrian National Council, the main exile opposition group.

News & Media

The New York Times

"This is a proof that economic exchanges and cooperation will lead to building up trust in military affairs as well," Jeong Se Hyun, South Korea's unification minister, told reporters on Saturday on returning here from Pyongyang.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

19 human-written examples

Professor Ioannis Ieropoulos, director of the Bristol BioEnergy Centre, added: "This is a proof-of-concept robot, which follows the EcoBot line of work that is developing autonomous robots capable of generating their energy from the environment they operate in.

News & Media

Independent

It should also been pointed out that this is a proof-of-concept article.

"This is a proof-of-concept study, the first to show that a vaccine can be effective against noroviruses," Atmar says.

Science & Research

Science Magazine

In conclusion, this is a proof-of-concept study demonstrating that ESFTT could be a potentially new approach for tendon repair and regeneration.

This is a proof-of-concept prototype, implementing the minimum functionalities required for the customer of a VoIP service to specify the required quality level and for the NSP to reach the CoS that meets the customer requirements.

Show more...

Expert writing Tips

Best practice

When using "this is a proof", clearly state what 'this' refers to. Ensure that the connection between the evidence and the claim is explicit to avoid ambiguity.

Common error

Avoid using "this is a proof" when the evidence is circumstantial or not conclusive. Instead, use softer terms like "suggests" or "indicates" to avoid overstating the strength of your argument.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "this is a proof" functions as a declarative statement that introduces evidence or a reason supporting a particular argument or claim. As Ludwig AI confirms, it asserts the validity of something based on presented information.

Expression frequency: Uncommon

Frequent in

Science

40%

News & Media

40%

Formal & Business

20%

Less common in

Social Media

0%

Reference

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "this is a proof" is a phrase used to introduce evidence or reasoning that supports a claim. Ludwig AI validates its grammatical correctness and notes its primary function in persuasive communication. Although relatively uncommon, this phrase appears across various contexts like Science, News and Media, and Formal Writing, maintaining a neutral register. To use it effectively, ensure a clear connection between the evidence and the claim and avoid overstating the conclusiveness of the evidence. Consider alternatives like "this demonstrates" or "this confirms" for nuanced expressions. By following the best practices and avoiding common mistakes, you can confidently employ "this is a proof" in your writing.

FAQs

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

Use "this is a proof" to introduce factual evidence or logical arguments that support a particular claim. For example, "The statistically significant results from the study, /s/this+is+a+proof, demonstrate the efficacy of the new drug".

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

Alternatives include "this demonstrates", "this confirms", or "this validates". The best choice depends on the specific context and the nuance you wish to convey.

Is it always appropriate to say "this is a proof"?

No, ensure that the evidence you are presenting genuinely constitutes proof. If there is room for doubt or alternative explanations, consider using weaker language such as "this suggests" or "this indicates".

What's the difference between "this is a proof" and "this is evidence"?

"This is a proof" implies a conclusive demonstration, whereas "this is evidence" suggests that something supports a claim but may not definitively prove it. Proof is a higher standard than evidence.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

86%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: